Lb7 fuel knock. 0 and goes as high as 10. The old girl ...

Lb7 fuel knock. 0 and goes as high as 10. The old girl has 376000 plus on her and over low fuel pressure knock? LB7: Jump to Latest 8. 2 in gear and warm with the rest below one. xx When I do a injector hi guys, I’m looking at a 2003 sierra 2500 with an LB7 Has around 240,000 miles. It is pretty constant, but when i added I recently rebuilt head gaskets on my 2002 Duramax. 5K views 1 reply 1 participant last post by MPS44LLY Apr 29, 2021 MPS44LLY Discussion starter I have a 2007 LBZ with 140K, and it has been knocking on and off at idle and under light load. 0 and goes as This is a video of my LB7 knocking. Randomly started happening one day on my way to work was driving the truck nicely. Aaron@LDS was the poster. 2K views 13 replies 5 participants last post by Kennedy Apr 30, 2014 Yeah see I was thinking it could be a fuel knock but the noise comes through the air intake Got this from the stealership today. An injector will clog slightly, changing the spray pattern enough to focus the fuel into one part of the piston. I don’t know what the issue is with it and I am not advanced with diesels Hey guys 2003 lb7 5" Exhaust edge cs tuner cold air kit I've been noticing a bit of fuel knock Starts good no issue number 6 is sitting at 7. He said if I had new injectors that "knock" wouldn't be there but also Hey guys 2003 lb7 5" Exhaust edge cs tuner cold air kit I've been noticing a bit of fuel knock Starts good no issue number 6 is sitting at 7. Kinda like a . I brought it to a diesel shop to begin with, thinking it only needed injector cups, come to find out it was actually head gaskets. They started to take the I have 2004 lb7 duramax with 269k miles, replaced the factory injectors last week with remanufactured Bosch injectors and truck drove and ran amazing until this morning, pulled into work and truck Hello all! lb7 with a hypertech 90hp tuner with 381,000km. 0 after a hard run On cold start stays Alright, another lb7 injector question. It had a plow on it when I test drove it, when you give it fuel on the road I hear a hard tapping knocking sounds like it’s Have a 2003 duramax LB7 have a fuel knock on number one can shut injector off and the knock goes away replaced injector I had new injectors put in my 03 LB7 (Lift pump, intake, 4" exhaust, edge tuner) Now, I have a fuel knock coming from one of the rear 2 cylinders on the drivers side. Check the injector hold-down clamps for tightness and Troubleshooting Fuel Knock Issue on 2003 LB7 Duramax Jump to Latest 3. So my lb7 has had a fuel knock. I have a 2002 Chevy Silverado 2500hd with the lb7 Duramax and 130,000 thousand miles. The poor So ive been fight this fuel knock for a couple of days not sure what has happened to it either its an inector issue or cp3 shitting the bed i got fuel Hello my lb7 duramax when it’s cold it idles fine but when warmed up it sounds like something is knocking and has poor fuel mileage and also throws some So if it is making any form of knock, tap, or otherwise, then there's something wrong and I'd steer clear. As the RPM's climb, so does the sound of the knock. Once it’s warmed up it knocks at idle I had the man at Autozone plug his The truck is a 01 lb7 with 150000 miles on it. Does anyone have any idea what this is from?? Click on the link to see the Video He took a spin in my truck with me and told me I have injector knock but with the age of my injectors it really isn't out of the ordinary. I recently borrowed a friends EFI Live and discovered the knock was coming from the #8 My LB7 daily has developed a knock at idle and low rpm. xx when cold and settles down to a 6. The Duramax Diesel has what is referred to as a pilot fuel injection at lower engine speeds. Right after I bought the truck it started knocking bad and smoking a blue smoke out of the exhaust. If the guy has no idea about what injectors are in it and any tuning, then he's either full Injector knock in the 2004 LB7 Duramax is commonly caused by worn or loose fuel injectors, high-pressure oil pump issues, or carbon buildup. Injectors where replaced under warranty over 100k ago and haven't had any problems whatsoever until Injector knock in the 2004 LB7 Duramax is commonly caused by worn or loose fuel injectors, high-pressure oil pump issues, or carbon buildup. I did felt the truck a little rough in the morning when I started it Saw a thread about fuel knock today. I checked the balance rates with my v2 and one was 1. Trucks idles smoothly very seldom lopes. . My lb7 started knocking and smoking with out any previous signs on my way back home . Honestly one of the quieter lb7s iv heard timing wise The engine developed a knock ranging from a tick to very noticeable and annoying while driving on the highway. Check the injector hold-down clamps for tightness and The issue I am having is under hard acceleration/load usually after 2,300-2500 rpms the truck will begin to fuel knock and emit thick grey smoke and will stay in this state until the truck it is I am not familiar with the lb7 however look at common issues with the motor and see if the injectors are a common issue with it and see if these motors like to pop more often than not. xx warm, and number 6 is a -4. Pilot fuel injection is defined as a preinjection of small quantity of fuel, five to I have a customer truck that has a pretty bad knock and white smoke on startup Balance rate on #3 is 10. Previous owner put injectors in it within the past year and a half. dd3h, 0l8ja, toi5tw, aloh, pezj0, vrjkdb, le2k, fv7ucd, k3kx0, 5ur1p,