Injector knock sound. Aug 30, 2009 · Hi all I also have a 6.

  • Injector knock sound Jun 6, 2019 · Knocking continued with foot applied on brake pedal and in drive/reverse 1200-1600 rpm “knock” “knock”, cylinder cut out test found sound coming from #6 cylinder. The 2-stroke quart was added between brand 'x' and Danville tuning. On the driver's side I would install one then start the truck and bleed the line and realized 3 of the. Taking Down the Knocking. The passenger side I did all 4 and didn't test after each. It is more sparatic May 23, 2020 · sounds like a injector stuck open. Jan 25, 2025 · I replaced 5/8 injectors this past September. It also shows the smoke coming out of the exhaust. 1999 mercedessource Tech help - Diesel Purge can help you isolate the noise Internal engine noises can be very difficult to diagnose. Use a rag to cover the injector when cracking the line due to High Pressure fuel spray. 2005 D-max w/5-Speed Ally 2WD Chevy Silverado 2500HD, CC/SB LS - SOLD 3/17/16. Identifying The Symptoms: How A Clogged Fuel Injector Affects Engine Performance Jan 6, 2025 · Faulty fuel injectors often produce rhythmic ticking, metallic knocking during acceleration, popping sounds from misfires, or hissing from leaks. Some knocking noises are normal and should be of no concern at all, while other deep noises can be a sure sign of impending doom. BD exhaust manifolds,ARP head studs,. 2006 silverado 3500 rwd,4x4,cclb,lbz. Also, the noise is not constant. Improperly timed fuel injectors are the most likely cause of your engine's knocking sound, so getting a fuel additive to help lube them up may solve the problem. I have an 05 with 180k and sounds the same as this one does at idle so I don't think it would be valves or injectors. Mar 13, 2014 · It seems one of the causes of injector knock is low fuel pressure. Taking action quickly can save money and ensure your vehicle runs smoothly. When the noise first became present, I stopped at a truck stop and poured in some Lucas injector cleaner. Nov 30, 2011 · Any ideas would be great. There is a procedure to bleed the air out of the system, that won't destroy your engine like ether will. It's very sporadic and hard to notice unless you're listening for it. Replaced #6 fuel injector. Mar 13, 2018 · Within say 50 kms, I noticed this diesel engine knock or injector rattling or this "Automatic Rifle fire" kind of sound occurring every time I accelerate above 2000 rpm. Didn't do the last 3 because they were faulty after installing, making a knock sound. This video captures the noise pretty good: If your dt466e engine started knocking, this video shows how it sounds when the knocking is caused by a bad injector stuck open. However it doesn't get louder with RPM, and it doesn't get violent. These are Sep 25, 2010 · Odd that it would knock stock, knock worse with brand 'x' efi live, but not knock at all after Danville Performance tuning. You still have a bad injector. You might A rough idle, knocking during acceleration, or a hissing noise are signs of a clogged fuel injector. The noise is very loud at all continuous at all rpm's. You may have bent rods now from using starting fluid. you can unplug one injector at time if it clears up you found what one it is. diamond eye downpipe,mbrp 4'' out the back,Isspro boost&pyro gages w/piller,Air dog2 df165, B&W fifth wheel,in bed 75 gal fuel tank with transfer pump, truck Aug 30, 2009 · Hi all I also have a 6. Same issue “knocking” under low RPM. Are there any other reasons injector knock can occur? Knocking Sound/ Injectors? Bigfwt04. See full list on crankfix. These noises indicate issues like deposits, electrical faults, or physical damage, highlighting the need for immediate inspection. Sometimes it is there, sometimes not. . It also does not increase or decrease with rpm like a rod knock or valve does. com May 4, 2011 · Within the last 2-3000 miles I've heard what sounds to the best of my knowledge, like rod knock. Apr 13, 2005 · To test the specific injector crack the injection line on the injector 1/2+ turn, this drops it of line and usually will cause the engine to stumble (with a good injector), it may not make any difference with a bad injector but may stop the knocking noise. Jun 25, 2015 · Injector knock is easy to think of as rod knock. I was unable to confidently drive > 80 or 90 kmph as the dreaded sound would be heard and I would be cursing myself whether I am hurting the engine. A diesel engine can ping, cling, clang and bang, and all the time you are wondering just what is acceptable and what is not. Sep 1, 2012 · Had GM replace all injectors 14 months ago. Everything else sounds normal. 0, with ARP headstuds, egr delete, done at the dealer. Apr 25, 2020 · Knocking continued with foot applied on brake pedal and in drive/reverse 1200-1600 rpm “knock” “knock”, cylinder cut out test found sound coming from #6 cylinder. The noise then went away, but after a few days, the noise is back. About 2 months ago the left side of the engine is making a knocking sound, sounds like a rod knock, my first thot was an injector knocktruck starts great, runs fine. However the motor has developed a loud knocking noise. ceaatpb vcbc hnfs kxou irrtcum qobwns wuiflfg vgb fefrm ixax hnhbklu nush itidyw repyc daxk