Intermittent knocking at idle. Oil level is fine and was changed recently.


Intermittent knocking at idle 3L Power Stroke Diesel - 7. Only does it after it's been running for a while. I pulled off the passenger side valve cover tonight so I could unplug each injector individually to see if I had one going bad. Learn more about what this problem could mean for you on this informational page. Excellent hot idle oil pressure unsure of psi number as gauge reads kpa up to 400. It seems like it is coming from the Feb 20, 2015 · 2009 - 2014 F150 - 5. Seems only to occur at idle, in park. We have a 2011 F250 King Ranch 6. The sound is close to the same sound a car engine makes when there's a rod knock. 0 TECHNICAL SERVICE BULLETIN 5. Anyone been through this? No other test have been performed, pulling Nov 26, 2017 · My 2014 Forester makes a slight intermittent knocking sound only at idle and maybe very lightly feathering the throttle. Goes away under load Jan 22, 2011 · The intermittent rough engine idle under the above conditions may be caused by a binding water pump impeller shaft. 3 With 80,000 Miles. Aug 20, 2013 · Have a knocking/Tapping Sound You Can Hear At Idle & Under Acceleration It gets a little louder, You can still hear it but barely on the decceleration side. It’s not consistent and is intermittent. It has a random knock. Current - Controls System Engineer / USAF - Retired F15 Avionics Systems Specialist Jun 19, 2025 · Hear a knocking sound in engine while idling? Learn what it means, how to diagnose it, and what muscle car owners should do before serious damage sets in. But it continued to Intermittent knocking near the passenger side at idle, especially after driving, may indicate lifter or valve train noise due to oil circulation delays. I Was Told I Need To Replace #8 2011 323i, 183k miles. 3 diesal knock at idle only - its very loud at idle but very quite on highway please help do I need a engine May 14, 2013 · Recently we began to experience a shake/shudder followed by knocking noise at idle. 2004. any help would be appreciated cheers Jan 26, 2021 · And to be honest that was 40K miles ago, but still makes a knocking sound at idle, more when the motor is stopped, in great with a load like the AC on. 6L, 5. In park you hear it as well but not as loud. This can create a mess of noises ranging from a tick to almost sounding like a bad rod ATL Diesel's expert advice on how to fix the knocking sound in any diesel engine, ensuring smooth operation and reduced engine wear. Please keep me updated if you find anything out! Wow, this is really sounding like it’s not a singular issue and comes on right around the same driven mileage and odometer reading. It has has the diesel sound since it had 20000 miles (currently has 100000). 3L 75K. 4 3v. 1 day ago · In this guide, we will cover how and why an engine may begin making odd knocking noises at idle, and we’ll go over some of the more common problems that may be causing the engine to knock. I use 87 octane gas. 99-up GM LS engines have a pickup tube O-ring that can go bad over time and cause air to enter the system. Check engine P2457 and P0299 codes. it sounds like a diesel when idling. If the idle is too low and/or rough, it can cause a knocking type of noise in the primary or trans at idle. Jun 25, 2020 · The knock is only noticeable at idle and low speeds. (fleet truck that I bought) Drove it home from Florida to NY with no issues, drove it for a while and now I have seemed to develop a strange tap/knocking noise when slowing down or maintaining a slow speed. Heres a YT video of the Jun 15, 2015 · 2004 Monte Carlo SS 3800 supercharged. After a few seconds I noticed a knocking sound. Only at idle in park or drive. 9L) - Intermittent Knocking and engine shake at idle - Yeah, it sounds like a bad injector, but cracking the injector lines doesn't make the sound go away. when driving the truck is fine but ill come to a stoplight and it will start Oct 11, 2023 · I have checked everything and believe this noise is caused by bad fibrous driven gear on balance shaft. Thanks for the tip. It only happens around Jan 3, 2017 · 2009 - 2014 Ford F150 - 5. After this cam change At COLD idle I would get an intermittent nasty deep sounding knock. and EGR cooler bypass valve (broken flap) and intercooler pipe. The main noise sounds like lifter tick for sure. It increases with the RPM's. Aug 10, 2023 · E60 M5 S85 Intermittent rhythmic knocking/rattling at idle and with rev (not rod bearing noise) Nov 20, 2023 · I have been experiencing a loud rattling and knocking sound coming from the front of my Vehicle, just around the engine area. Wondering why two part numbers? 13601-28021 vs 13601-28031 Update: Replaced both balance shafts, and noise still there. 0 knocking at idle, becoming louder/worse - Hello All, I have a 2012 FX4 SCAB with the 5. Once back, I left the truck idling in the road for 15-20 minutes while I cleared space in the driveway and went I went back to the truck it had a very loud, obvious Jan 20, 2016 · Well as of yesterday my truck started knocking It sounds like an injector knock as described by forums I've read and videos I've listened to. The car continued to idle smoothly, after a few seconds of listening I revved the car up slightly to see if the knock would speed up. I do run 93 octane fuel in it so it Mar 18, 2025 · Fortunately, there are several reasons why your Harley engine might be making a knocking sound, and most of them can be addressed with proper maintenance and repairs. Oct 21, 2004 · 1999 - 2003 7. I had the knocking noise checked out at the dealership a few months back when I firsted noticed it Feb 23, 2011 · Similar knock, have you solved yours yet? I have 122K on my 2004 Pilot and not long after (couple hundred miles maybe) having the timing belt, water pump and aux belts replaced I started hearing this noise (video link) soon after startup with low load. 2018 with 36k. You can hear it in this video I put on youtube. This noise would go away when the RPMs increase. that sounds like a cracked flex plate. Jan 24, 2014 · Got a knock sound from your engineor maybe a tapping noise in your engine? Learn how to diagnose common engine sounds so you can troubleshoot the underlying problems. Today it started this new unusual sound that it has never made before. That's kinda what I thought. No CEL and performance does not seem affected but I have parked the truck since I heard this. Knocks faintly (not loud) for 3sec's then disappears for 8secs, knocks faintly for 3 then disappears at idle? Is that normal? It is like a hollow knocking noise. Oil and maintenance have always been done Jul 13, 2018 · Pre-Power Stroke Diesel (7. Nov 19, 2009 · A 2020 Kia Forte EX owner reports intermittent #1 valve train knocking at warm idle, distinct from injector noise. Oil level is fine and was changed recently. 3L Power Stroke Diesel - Intermittent knock at Idle - I had my injectors rebuilt this fall because one let go. 0 ford falcon 4spd auto. The thing is, the injectors have been capped off individually 1 at a time and could never get the knock to go away. The ticking I know some Nov 28, 2023 · Learn about the causes, symptoms, and fixes for engine knocking at idle. 5 lly Duramax with about 208,000km (129,245miles) and the truck will sometimes idle bad (lopey) when in drive or reverse, it doesn't do it in park and has a whitish grey smoke when this is happening. I may have to make a user ID over on ls1tech. Shop replaced EGR cooler and related gaskets etc. Jan 18, 2023 · I thought the same thing initially but that doesn't explain the rough idle that happens along with it. Oct 8, 2022 · I have a brand new 2022 F250 with the 6. The knock can be heard inside the car and outside, with timing of the knock changing with RPM. Chassis 129K, Engine 7. This is my first F-150 with the 5. My automatic '81 developped an intermittent knocking sound during idle and only when warmed up. anyone have suggestions? also can anyone recommend a good toyota shop in the portland area? Dec 18, 2020 · Notice engine is making a knocking sound at idle. It could be something as simple as low oil or a more serious issue with the engine. When load was placed on the motor the sound went away. Intermittent knock. I usually only hear it at idle, and as you can hear in the video, and it seems to go away after the engine reaches a certain speed. 4 knocking shaking and eventually stalling at hot idle - I have a 04 f150 with the infamous 5. The noise isn't constant, it's intermittent with no real pattern to it. 7 that has an intermittent knock at idle, sometimes it will do it when it’s cold. The noise goes away after driving a little. 0L Power Stroke Diesel - Surging and Rough Idle - Solved - Since it took me over a year to figure out the problem, I thought I would make a post to potentially help others with the same problem. A disruptive, rattling noise arises from the heart of the engine just at that moment. We explain the reasons and best fixes for this. The thing that gets me is on cold start, Totally quiet and smooth. Sep 23, 2012 · 2004 - 2008 Ford F150 - 5. All you Mar 1, 2016 · HELP 2012 F250 6. Slowed back down to normal and it started knocking bad on one cylinder. Jun 23, 2025 · Understand engine knocking and its causes, including fuel detonation and the importance of the (EGR) valve in your engine. No change in pitch with the AC on other than the RPM change due to the load. I used a stethoscope all around the engine, but I was only able to narrow down the sound to that area of Intermittent idle knock 2004 turbo 4. Like a normal tap tap tap Nov 22, 2024 · Has anyone had a knocking at idle that sounds like a metal ping pong ball in engine? Only have 58k miles and doesn't sound like manifold bolts so I thought it would be the lifters but the dealer just told me that they need to look at transmission. Jul 19, 2023 · I got an ‘18 L5P and I’ve been noticing it seems to have a bit of a rough idle and “hops” when sitting at a stop or parked. 4l 3v - a friend of mine has a 2005 Ford King Ranch F150 her husband who is a good mechanic had pulled the engine out to put a crank kit in it he went to jail and now I am reinstalling motor did I didn't take out of the truck now that is installed when you turn it Apr 30, 2013 · hi my x type has had an intermittent knocking noise for a while which i cant put my finger on, best way to explain it sounds like du doom du doom du doom at idle but cant hear at driving speed. Fuel consumption is good, it accelerates with no problems, and when the noise isn't there its fantastic. Very noticeable when throttle was bounced off the rev limiter in park. It was a knock that is very noticeable at idle but seems to disappear if the engine is at a higher RPM. I don't hear it when driving, only when idle. 0L V8, intermittent rythmic engine knocking. See the Follow-Up HD Video How-to! Mar 17, 2025 · While it's often simple to fix a rough idle, finding the cause is usually anything but simple. The knock is very intermittent, only at idle and almost only with the AC on. Truck hasn't skipped a beat yet (knocking on wood), despite the knock. Doesn’t get loud when I rev the engine. Discover how low quality fuel, carbon buildup, and incorrect ignition timing can contribute to this issue. What Is Engine Knock? Engine knock is the knocking sound that arises in the combustion chamber of your engine. It's coming Mar 6, 2019 · 2014 Jetta SE w/. I've taken it in and no one seems to know what it is. 0 ecoboost Same noise. Engine knocking at idle can be a real head-scratcher for car enthusiasts. It runs pretty smooth at idle but as soon as there is any input from the skinny pedal it knocks like a bad injector. Sep 29, 2014 · The 3. The knocking sound isn’t as deep as throwing a rod, but it Nov 18, 2012 · Hey guy's just started up my car today as I have stored it away for the winter months and as it warmed up I was noticing a new, faint, intermittent knocking noise. The noise usually originates from the engine compartment. Engine knocking is a common problem that can be caused by a variety of issues. The knocking noise basically at idle. Seems to come from top of engine somewhere, really sounds like something vibrating not internal to the engine, it has a higher frequency than the engine and doesn't always present while running and usually only at idle or coasting to a stop. I’ve noticed it really since I bought the truck new but Jun 18, 2020 · Hey guys new to the forum. There is engine noise of valves but on the background there is the knocking sound that can be heard clearly starting at 6sec. 4 days ago · Have around 400 soft miles. Removed cover, inspected and all appears to be as it should. It does kinda sound like there's another noise behind the lifter tick, an intermittent one, but it's hard to tell over a recording of it. To point nearly no knock . ” Usually, this isn’t too big of a problem, but if it’s constantly happening after the car has been idling for a bit, there might be something going on. Jerry Jun 28, 2011 · Intermittent knocking inside the primary, probably the nut holding compensating sprocket is loose. 7 powerstroke knocking soind - just got back from a 16 hour trip picking up a boat, truck performed fine for the entire trip. Jun 10, 2019 · 2013 - Intermittent Rattel/Knock at Idle (videos)? ('09-'13) Jump to Latest 5. This only occurs during idle while the Vehicle is in gear or at VERY low speeds. Video here: Tapping/Knocking sound in engine on idle. This intermittent knocking sound has gradually gotten worse over the last year or so. (I swear it's never under $1500 there) anyone know what this sound could be? This started this week - 116k There is a tapping noise that comes and goes while at idle. I drove 100 miles yesterday on freeway at 80MPH. If something is off in the engine, parts will knock against each other and cause this sound. Noise seems to disappear when it's in gear and speed increases. Dec 26, 2014 · I've seen trucks with a broken flex plate that would make that sound at idle in park, but you put it in gear, and the noise would go away. They said that they ran some compression tests after replacing the Aug 14, 2019 · Cadillac Escalade Engine Knocking Causes Here are a few of the most common issues that would cause your Escalade’s engine to knock: Low Oil Low Oil If your Cadillac Escalade is low on oil, it’ll cause a harsh knock as the engine is starved for oil. Thanks everyone! Jul 6, 2020 · Hey, I have a 2013 R56 MCS with n18 engine. Aug 10, 2025 · If an engine knock is heard, it’s crucial to act fast to identify the cause. It accelerates fine Faint intermittent knocking at idle. I've noticed that it seems to be knocking quite a bit at idle. If you do have one, it would be an issue other than running it out of oil. Some of the most common causes of engine knocking include low oil pressure, worn out bearings, damaged pistons, and pre-ignition. What Does Engine Knocking Sound Like? An engine knock has a telltale pinging or tapping sound. What's causing that pesky knocking noise and how do you make it stop? purchased about a month ago with 65k miles, drove about 800 miles before getting stranded when the car would die at a stop. But when you accelerate even a couple hundred rpms it knocks. Feb 22, 2022 · Wrong or worn-out car parts could also cause a knocking sound. Oct 19, 2020 · My Ram 1500 5. The most common causes of a knocking sound have to do with uneven combustion of air and fuel. It then came back every few minutes and would go away with an increase in RPMs every Apr 3, 2022 · 2015 Ultra Limited having a strange sound coming from what appears to be the primary. You can turn the ac off and the noise gets much quieter. Happens about 5 min after start up in the morning. After switching to 10w-30 oil, engine noise reduced under load but idle knocking persisted #8. diesel hybrid idle motor noise Jump to Latest 30K views 16 replies 10 participants last post by User3657 Dec 18, 2020 Dec 31, 2022 · 1999 - 2003 7. Seems to still knock when I raise the rpms but is less noticeable and Solved! My engine was making a knocking or tapping sound that varied with engine RPM, or at times was almost inaudible. You can't here it with the a/c or radio on. 6L ecoboost is making a ticking/knocking noise at idle. 92 F350 Lariat, 2WD, Dualie, CC, LB, E4OD Trans, Banks Sidewinder turbo, GV O/U, Pyro, Boost, Oil temp, Trans temp. Sounds serious but the fix is simple. Plus, if the rods knock at idle, they'd be banging under heavy load like nuts and the noise would get worse with increasing mileage and wear. If I. 5 cummins. May 10, 2019 · Here is the latest for the 5. Took it Aug 17, 2018 · I have a 2011 with a 6 speed, 130K on it now and i just started noticing at times I have a light knocking sound in the trans area at idle in park. In this article, we’ll explore the causes of engine knocking sounds and discuss possible fixes. Also, where wasn't any more smoke coming from the tail pipe. 5 5. Aug 11, 2022 · The Ticking Noise at Idle When we talk about a ticking noise at idle in a 6. After about a 40-50km drive on the freeway, i pulled into a car park and the sound was gone. Psycmeistr; I Jun 23, 2019 · Hey guys I just wanted to check with all the members that own 17+ 3. 4L) - Terrible knocking sound at idle, goes away when RPMs increase. 1. The RPM's don't fluctuate when I hear the Knock Nov 16, 2019 · General F150 Discussion - Clunking knocking sound in 5. Follow the strategies and steps needed to accurately assess a knock of this kind. 45k Jan 1, 2024 · I uploaded another video of the knocking/tapping sound. The knock as intermittent at first. Ive checked flex plate no visible cracks. Jun 7, 2019 · Have a 2019 6. Dealer stated the automatic tensioner needs to be jumped up a link, so we did the hopping to do that. It is an intermittent issue, usually occurring after I’ve driven for 10-15 minutes and then stop at a light or something. Check engine oil level and quality, as low or degraded oil can cause lifters to tap until pressure stabilizes. - 2007 5. replaced the battery and now starts with a jump and a few slow cranks, but dies after revving a little. Sounds like drivers side top of engine NO CEL. Maybe drove it 5 miles 2013 F150 5. Due to the excessive engine load at idle and / or an internal water pump noise (chatter) detected by the knock sensors the DME causes the ignition timing to retard in some cases dipping as much as -18°KW (crankshaft angle) at Anyone figure this noise out? I have a 2014 2. And when I put bearings in all the clearances were with in spec when plastigauged. If your Briggs and Stratton engine is knocking or excessively vibrating, check this first. Let us look at them to get a better idea and ways on how to deal with them. 7. Engine isn't overheating when driving. It has a sound that's coming from the timing chain area, you can feel it on the reservoir coolant hose. One of the most common causes of engine knocking is improper fuel combustion. Anybody know what this is?! I could only upload a short video because of the file size but you can definitely hear it. Here's how to troubleshoot a rough idling car Jul 26, 2012 · intermittent knock at idle Jump to Latest 9. 3L IDI & 6. Sound is once again audible shortly after engine returns to idle speed. It will idle real smooth and normal then it will knock two to three times then go away. Feb 21, 2012 · Gordy 424 & and I have been working on his LLY. It has a slight knocking sound at idle when warm. Feb 17, 2012 · We have a 2004 late model f150 and just went through the same issue, shake at low idle, knocking and same p codes, ours also had the 22 code which i Think is low oil preasure and it seemed like the transmission was about to go. I took it to a shop they say it is the valves but it sounds like it is coming from the front bottom part of the engine. Mar 8, 2023 · In this article, you’ll learn what misfire at idle is, how you can locate the reason and fix the problem to avoid other issues with the engine in your vehicle. It's a shame that a search for knocking 5. 6K views 9 replies 2 participants last post by IH84DZ Jul 30, 2012 I Jun 8, 2008 · I have knocking noise at idle. Mar 8, 2023 · 2004 - 2008 Ford F150 - Rough Idle and Knocking at Idle - Hey guys, I have an 06 F-150 with the 5. 7 Cummins engine, we’re generally referring to a rhythmic, metallic sound. If it's very slight, it may be noticeable only at higher load and go away at idle. Good power. Some have Nov 25, 2023 · If you encounter a Harley engine knocking sound, you should really be concerned. No matter what the issue is, it’s essential to have a mechanic look at your engine. 0 Engine Knocking - Hey all, Wondering if anyone else has had this issue, or rather if you think it's a problem or normal. The truck drives smoothly, gets good power and mpg (for a Tacoma anyways). From there, our search goes deeper to key areas of the engine and fuel injection system. Aug 28, 2023 · Some 3. 2 with 160K miles. Pulled into work today and heard loud tapping/knocking from under bonnet. 5 F350 7. All troubleshooting has been in park or in reverse while applying the brake. 3's yields nothing but people talking about a little piston slap. Please help!! I've attached a video link below. Feb 22, 2024 · If you’ve ever heard a knocking sound coming from your car’s engine, you know how concerning it can be. 4 3V. Jan 30, 2025 · The ticking sound is often more noticeable at idle and may decrease as the engine warms up. Apr 25, 2014 · The knocking and rough idle stopped after like 10 seconds, then thing idled perfectly and that check engine light for the misfire went away. Problem originated when idling in a drive thru. They look identical and both say would work for the 2AZFE 2. Feb 10, 2004 · Yeah, thanks. 3L Power Stroke Diesel - Intermittent Light Knock At Idle ?? - I Have A 1998. Dealert also stated it is time to start riding it hard!! Apr 29, 2014 · Knocking Noise at idle Jump to Latest 18K views 19 replies 8 participants last post by Jackiepate Feb 4, 2024 N 99 4Runner Intermittent knocking at idle. 5 7. I hear a knocking noise at idle out of the primary, only hear when engine is warm. Still happens and the knocking sound is so annoying. but again, that doesn't explain the intermittent rough idle the literally shakes the car. Well that really didn't Jun 14, 2016 · A little knock on a cold start is fine, but then should quite down when the hi idle kicks off. I’m bringing it to Honda tomorrow where my brother is service manager so he can have someone find out May 6, 2023 · Before I make an appointment at the stupidly expensive dealer here. 9 cummins My buddy has a 04. Does sound like its in rear end of engine. My Escape currently has under 3,600 miles Apr 30, 2015 · Hey guys, I have an 08 ford explorer 4. That's what I would check first. Could this be the FPRV? What are the other culprits? Jun 29, 2025 · The first thing you need to do, if you hear noise coming from your engine, is to determine what type of sound it is. this happens at an idle in neutral and also when taking off in 1st gear for only a Oct 7, 2023 · The intermittent knocking sound at an engine idle hints that fuel trim or carbon build-up could be involved. Little change in its rythm/volume up until 2k rpm. Sep 14, 2022 · What if you hear knocking sounds? Is your engine knocking at idle? There are a few reasons why this might happen. 0 liter engine. The odd thing is is that it sounds like it's coming from the bottom end ( I can hear it under the truck) Aug 1, 2003 · C3 Tech/Performance - '81 intermittent engine knock at idle - I need some help. Just over 183k miles on it, and it recently developed an engine knock. Any ideas? Nov 29, 2019 · So I just had this problem come up on my deleted 2015 with 112,000 on it. Needles about 3/4 the Oct 21, 2023 · Your car is idle on the road, waiting for the green light to move forward. Aug 21, 2015 · Intermittent knocking at idle Jump to Latest 17K views 5 replies 3 participants last post by dezertracer18 Aug 22, 2015 D 4 days ago · Another issue I've seen mentioned after having engine work done is the tune. Mar 7, 2017 · Hey everyone, I am new to this forum stuff but I figured I'd message you all and see what you know My 2013 Ford Fusion 1. 7L SD 110,000 miles, shop serviced at all normal intervals. You may crawl under the truck with it running in park, and see if the noise seems to come from the bellhousing. I notice this very odd knocking/ticking noise coming from the motor. I've spent hours searching the This noise is always present with a warm engine and very noticeable at idle and it does increase with rpm until the rest of the engine noise drowns it out. I have a 92 Supra that's making an odd knocking noise from the engine and I can't figure out what it is. Am I screwed? 2015 civic hybrid This thread is archived New comments cannot be posted and votes cannot be cast 5 comments Best Apr 9, 2021 · 1999 - 2016 Super Duty - F250 Knocking/Ticking at Idle - Hey all, I hope you won't mind to take a moment and give your thoughts on this. Drove it home sounding like a tractor, fortunately was only about three miles. "99. It may or may not be present at idle, but it will likely be most noticeable when you’re putting your engine under a heavy load. I have a 2017 with 206000 on it. Also if I rev it the knock goes away for a while. Mike Jun 16, 2017 · Lengthy post but I want to give details to help guys out I just got done putting a 274 cam in my newer 350 - 5. 0 so I'm not familiar with any of its characteristics , My truck is 2017 XLT 5. 3 PSD 4R100 CC LB 4X4 DRW 4:10 Centurion Conv. 7 engine I notice has a light knock noise at idle, it doesn't go away when the car is warm. This occurs when the fuel and air Feb 21, 2022 · Only happens at idle AFTER 30-40 miles and the dealer said nothing is wrong with it. i agree with the others. I want to order the shaft, but two part numbers came up. But even more so from bell housing Mar 4, 2021 · I’m hoping it’s not a lower end rod knock, but when I hold the Pilot in Drive, and give it a little gas(750-1000rpm), it has a knocking sound. Not clear what it is. So at start up has slight knock that disapates as it warms up. 6 3v,116k miles,2nd owner,I have an intermittent knocking noise at hot idle, you can hear it sometimes from the cabin ,I have a video attached what do you guys think it could be Feb 19, 2012 · A way to tell is when it is knocking; rev it up and see if when you let off the gas the knock stops until the engine speed has settled back down to a steady idle speed. Jul 8, 2015 · So I'm wondering what you guys think of my issue. It's hard to locate exactly where the noise was coming from but the car was driving fine. Feb 24, 2021 · 2012 F-250 6. It drove great for a couple months, but all of a sudden, it started missing and knocking at an idle. Generally this would happen only after the car was warm and after coming to a complete stop. It sounds like it could be coming from the vvt solenoid Mar 5, 2020 · 2017 - 2022 Super Duty - 2020 Ford F-350 6. Today I experienced a terrible knocking sound when the truck was idling in gear. I originally thought it was just “normal” but this morning on the way to work I was at a stoplight and felt the whole truck physically jump up and down for a second almost Feb 25, 2022 · What Is Knocking Noise When Accelerating? A knocking noise when you’re accelerating is a tapping or pinging sound that gets louder and faster as you speed up. Jan 29, 2004 · I'm convinced that your rod bearings are all right since their clearances would have to be increased by quite substantial amount in order to produce knock at low RPM and load (=idle). . It's a heavy knock. Dec 26, 2014 · Yup, I get the same intermittent knocking. 7 shortblock (2k miles on it ) in my carburated 1989 Shortbox. I recorded it but can’t add videos. It Feb 16, 2017 · The other day while I was updating my Uconnect I had my 200S in park, running of course. Apr 12, 2012 · My rover is making this tapping/knocking noise that is making me crazy! It doesn't start until about 5 min of driving when the temp gage reaches the middle. 8 TSI engine and 105,000 miles on it, bought it new 5 years ago. 5L engines to see if anyone has experience a tapping/ quiet knocking noise coming from their engine? My truck is a 19' with 300 miles on it. You can really hear it while at a complete stop and in gear. I reinstalled them and about a week and a half later I started getting an intermittent knock at idle, but only with the engine warm. Things got me stressing, Has recently developed an intermittent knocking at idle that seems to have correlation with the revs specifically dissapearing after 2k rpm. The sound also went away Jul 3, 2024 · I've got a 2004. Definitely coming from bottom area of motor. Any thoughts? It drives perfectly normal with Oct 2, 2023 · You turn your car on and immediately hear an irritating metallic knocking or pinging sound coming from the engine bay. Replaced cover, new oil in primary and clunky sound still there. I can hear clattering noise when step on the gas after stop, but it seems to fade way when engine warms up too. There are three major reasons why oiling issues will cause your Escalade to knock. 3K views 4 replies 3 participants last post by AlexE Mar 23, 2023 Apr 5, 2011 · Learn how to diagnose and address knocking or ticking noises in Honda engines at idle with this expert tech tip. On idle I occassionally hear a rythmic knocking coming from the bottom of the engine bay. Jun 25, 2023 · Hi all - Hoping for some help diagnosing this issue. 2) It only makes the noise when the engine is warm Mar 9, 2022 · An injector problem could also cause the knocking sound, referred to above as a “diesel knock” or a “combustion roughness. Feb 8, 2023 · 2015 - 2020 Ford F150 - 5. There's a few interesting things about the knock: 1) It only makes the noise at idle. Jan 4, 2009 · I notice a few days ago that there is an intermittent knock when my truck is running. If I start the car about an hour after previously driving it, the knocking appears. If the sound you hear is a knocking noise, that should be an easy fix. When cold its not present - when very hot its not present. May 23, 2011 · 'Intermittent' I hate that word. Loud knock at idle. Sep 15, 2024 · Don’t worry, you’re not alone. 4. I bought this used in October. 2021 tremor with 1100 miles ? Anyone else ever hear this coming from there Ranger. I too keep regular oil changes and change out factory spark plugs at recommended intervals, with OEM parts. 7 knocking at idle - Anyone with a 2020 6. 4L engine. Apr 22, 2008 · Engine Knock The Badazz; Yes it knocks at idle also. 0 Coyote Tapping/ Ticking/ Knocking - I have commented on a couple of threads concerning engine noises particularly on the 5. Its most noticeable when starting in 1st gear just as I put my foot on the accelerator , then disappears. It happens when it's warmed up Jan 29, 2012 · Please help me identify this ticking sound. Bench seat. No codes or lights. As soon as I touch the gas pedal it goes away? Seems to be near the fire wall. 7L Power Stroke Diesel - 6. 5 EcoBoost engine owners have reported a concerning ticking noise emitting from the engine while stationary idling. Nov 15, 2024 · 6. We had the injectors tested, and cleaned, and are within factory specs. Jan 31, 2015 · Modular V8 (4. If you had oil on the dipstick that didn't cause a rod knock. But why is that, and what can you do about it? Let's find out! Jun 21, 2023 · The knock sensor detecting the knock will cause the ECU to retard the timing and/or reduce the amount of fuel being injected, again limiting power at higher road speeds or higher RPM. I Has A Intermittent Light Injector Knock At Idle I Think Coming From #8 Injector (i Think) I Bought This Truck With 16,000 And Have Not Noticed This Knock Get Louder. 7 knocking at idle? And as soon as you hit the accelerator it goes away. 7 knocking at idle, video included Jump to Latest 34K views 16 replies 6 participants last post by mwe_060 Mar 14, 2016 Z Jan 7, 2024 · Here's a video of the knocking sound that occurred recently and sounds the same as the knocking from a year ago - 2010 Toyota Sequoia Knocking at Idle Questions Dec 29, 2015 · Driving my stock truck yesterday, gave it a little half throttle pull from 65-90mph, literally half throttle, fifth gear. I have not heard this on the 110, or previous 88. It has already been put on the lift and the exhaust looked at. Idling. 5L V6 engines installed in various Honda models can make a knocking or ticking noise at idle and only when warm. The truck is running, but now we have an intermittent knock at idle. May 20, 2013 · The issue is that it has developed an intermittent knock at certain RPMs and at idle once the engine has come up to operating temperature. I heard it loud and clear yesterday when I was idling at a stop light. Oct 13, 2023 · Not a rod knock. Annoying, no? So why do you hear a rattling sound in the engine at idle? The rattle noise in the engine occurs due to low engine oil pressure and any loose parts or panels inside the engine, such as the exhaust system heat shield Apr 9, 2020 · A knocking sound from your engine may be a bearer of bad news. Mar 9, 2018 · 6. 0L with only 18K miles. Apr 6, 2013 · So a few days ago my engine developed an Intermittent knock at idle after it's warm. Knocking noise coming in and out at idle… any idea what it could mean? Thanks!! Jul 4, 2019 · My T1N 308 611 , 2006 Sprinter developed an intermittent engine knock. May 1, 2007 · 1999 - 2003 7. SAYING THA Nov 16, 2021 · Twice I have heard a intermittent knock down low lasting about 1 min while at idle. It’s a sound that’s most noticeable when the engine is idling but can sometimes be heard during low-speed driving. Any decent scan tool connected to your OBD2 port will display manifold absolute pressure. 0L - Engine Knock Type Noise At Idle 19-2144 09 May 2019 Model: Ford 2018-2019 F-150 2018-2019 Mustang Issue: Some 2018-2019 F-150 and Mustang vehicles equipped with a 5. In our latest deep dive, we’re going to unravel the mystery behind that pesky knocking noise and explore the possible causes and fixes. 0L, just hit 80,000 miles last week. It is most noticeable at idle and comes and goes, but it is present more then absent. I first noticed it about 120,000 km ago (at ~213k now). When I let off the gas it lessens somewhat but can still be heard as the RPM's die down. Following the steps outlined in this video, you can determine if your Feb 29, 2016 · Hi everyone! My 2014 Mustang v6 3. Not really concerned about it, but I am curious about what It's totally normal for a rod knock to be silent when the engine is cold because the oil is thicker. Nov 5, 2015 · Think I can rule out a main or rod knock as it wasn't there to begin with then it did it and then went away. Jan 5, 2025 · Knocking/Clacking Sound bad idle knock Jump to Latest 1. I stopped got out for about 10-15mins and then went back home (40-50km), again no noise or smoke. No change in the "depth" of the knock when in gear. 7 hemi is knocking and i can't seem to pinpoint the cause. A mechanic can perform a visual inspection or use a stethoscope to pinpoint the source of the noise. 0L engine may exhibit a light to moderate knocking type noise Aug 26, 2017 · I have a 2016 Scout with about 700 miles on it. 3K views 5 replies 3 participants last post by Hate2looz Jan 6, 2025 B Jul 24, 2014 · In the last few weeks it has developed an engine knock that is sound is similar to a rod or piston slap but is not at engine timing. It sounds like a Woodpecker and rod knock. deimg gsrz cfx slkfh sepc withb njycx ssedxy zewpo cywzm ozw ljfq vguwr dswxy sre