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M
At my wits end........
I have not tied shimming the pressure relief valve yet, do you think it bleeding off could cause this? I saw the could posts where people had said that 2001 trucks had problem with the relief valves. It really sounds like it has air in the system when it first starts. It sounds like a gas... -
M
At my wits end........
I have now checked it with pressure and vacuum and can't find any leaks. With the return side hose pinched off it held 15 inHg for 3 hours. It drives great once started and hasn't thrown a code in years. I drive it today and shut it off, popped the hood and tried seeing how many pumps on... -
M
At my wits end........
Its brand new. I am going to try the air and going over the system piece by piece with a Mityvac. That filter head is new but maybe there's something wrong with it. It wouldn't be the first bad new part I've seen. -
M
At my wits end........
When it starts its rough and loud for the first few seconds until all the air goes out. -
M
At my wits end........
I have been chasing an air leak on my 2001 LB7 for a couple weeks now and I still don't have solved. Its better but not good. If it sits for a couple days I can hear the air working through the injectors and it takes 20-30 seconds of cranking to get it to start. I have replaced all the fuel... -
M
bottle test on lb7
Resurrecting this one for a question. It looks like you have to get pretty much exactly 59 ml in that test or something is bad? For clarity, what is a passing condition in this test?