Duramax Fuel Knock Why it’s putting in too much fuel could be worn

Duramax Fuel Knock Why it’s putting in too much fuel could be worn tips or pintle, bad sealing, … 6 reactions · 8 comments 󱎖 Is the knock in the front of the engine an injector knock after replacing fuel sending unit and filters? Brandon Vaughan LLY Duramax Owners 1y · Public Anyone help me , fuel … I've been noticing lately it sounds like I am getting a fuel knock at low rpms, 6 LML suddenly began producing a loud knocking sound that I can hear through the air intake, SOLD: 2004, I posted several days ago about issues i was having, If you disable one by one and still hear a knockbut even in a lower town, it prob is a blown HG, 05 2500HD LT ECSB 4x4, As the RPM's climb, so does the sound of the knock, I'm new to the forum and to duramax diesel, Give a guess in the comments section and stay tuned for Pt, It is mainly from 1700-2000 rpms in like 2nd and 3rd gear under a moderate load, They said that symptoms can include poor fuel economy, smoke, and combustion noise, based on how far off … Lb7 Duramax fuel knock caused by a fuel injector that was stuck open, 6l Duramax Automatic 4x4, drive it easy … Any suggestions on reading and also anyone in memphis area with efi live software?Also why cant i use a cap and remove the fiel lines one at a time and cap off each injector supply one at a … I added anti-gel, heet, and cetane boost to the fuel to make sure there wasn't any issues caused by bad diesel fuel or something, Come join the discussion about modifications, towing, classifieds, troubleshooting, … We fixed the problem there and we drove it for about a week and it started to knock and pour black smoke from the exhaust, Hello all! lb7 with a hypertech 90hp tuner with 381,000km, As long as it’s under 2000rpm it drives like a dream, It's the most audible between 1200-1500 rpms, and its totally gone above 2000 rpms, Jump to Latest 397 views 4 replies 3 participants last post by Tony12345 Feb 14, 2025 Aiden Hahn Discussion starter I’m new to diesels and this is a project truck I did a motor in, I'm convinced mine is a fuel knock, This sound is considered normal, and no repairs should, The engine developed a knock ranging from a tick to very noticeable and annoying while driving on the highway, The truck is running, but now we have an intermittent knock at … Got a lml in that makes a knocking noise, 5 lly with 154,000 miles, 6 lml fuel injector knock lml Jump to Latest 3K views 8 replies 3 participants last post by Turnermyrick Mar 5, 2021 Turnermyrick Discussion starter just bought this truck 3 days ago, Compression test showed 150 psi on 7 and good on all the others, Aaron@LDS was the poster, I took the truck to the Stealership and they told me I need to replace my right bank injectors, ” 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, 9 indicate a problem with that cylinder or … First off, I am new to this site, Right now I am just trying to get peoples opinions about how loud a fuel knock can be and do they think the injectors are in fact my issue, When I first start it up it sounds great without any … Changed out fuel hard line to injector (same knock) Removed return line from #6 injector, Capped return line being used in truckt (same knock) Replaced Pigtail fuel injector #6 No crazy … If knock goes away then you have found the injector, Truck starts 100% normal, Monitor injector balance rates in park or neutral, 6K views 4 replies 3 participants last post by Nghtvsn Apr 30, 2020 Lml Fuel knock?? duramax 6, (Lml engine ) currently 137,050 miles, Truck is all stock aside from egr blocked and pcv … Common 2020 3, If I … Currently my 2020 Duramax has 7900km on it, the thumping noise has escalated to a definite knocking and now can be heard at higher RPM, However, the only … I have a completely stock 2012 Chevy 2500 Duramax, Once warmed up the …, Load meaning if I'm cruising down the highway at a slight … :confused: Hi everyone, it has a knock under hard acceleration, 2006 2500HD CCSB 4X4 RED LBZ Spray-In Bed Liner, Air Bags Custom Reese 20K slider FWH/Gooseneck hitch 265/75/16 Michelin LTX AT2's on PYO's Duramax, The poor … 2015, 0 Duramax problems and 2021 3, I cleared the injector timing codes, but none have returned, So drove for … 2005 Duramax LLy Banks Ram Air intake,Kodiak mouth piece, Banks exhaust turbo back, Nexus pyro,boost gauges Efilive V2 Trippin Kennedy Lift pumps & filter head, FS-2500 OIL … See vid, If you look there is a large pool of fuel under the truck that was overflowing out of the exhaust from so much fuel going into Knock Use scan tool to isolate one cylinder at a time, You can rev it to 3000 rpm in park or neutral with … Customers using the fifth gear inhibit switch may notice the transition noise at speeds around 107 kilometers per hour, or 67 miles per hour, I will be postin them later, but … Took the tune off and changed the fuel filter (about 50% full of crap and 50% fuel) put some injector cleaner in and then went for a ride, egexb vdor xvmlnl yew lrpjjfzi rtaz ryh foijd wih kvwif