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- LML Injector Return lines keep failing. - Chevy and GMC Duramax Diesel . . .
However, I am concerned that I may have some blockage or a bad return pressure regulator or maybe something related to the CP3 conversion The return line regulator is part of the harness i ordered, but I would like to do some testing to rule out or isolate the cause
- Lml no start after regulator removal - DuramaxDiesels. com
The truck thinks the problem is the circuit for the #2 regulator What check on the circuit was done? If you're satisfied with that, there must be another problem yet to be discovered The attachment is specifically for my 2008 LMM, but the problem is similar for the LML also
- Duramax LLY Injector Return Line Issues Fix - Ron the Parts Guy
While repairing just the leaking section might seem economical, it’s often a temporary fix The LLY injector return lines are known to degrade over time, and if one section has failed, others may not be far behind
- Lml duramax no start after cp3 conversion open return system failed . . .
Ran across a no start issue w this 2016 LML duramax following a cp3 conversion Figured someone could benefit from seeing what causes this condition and how to correct it
- LML LGH Duramax Injector Return Line Assembly (2011-2016)
If the pressure is low and there are no leaks in the fuel return hose assembly, the most likely cause is the return line pressure regulator which is part of the return hose assembly
- 6. 6L Duramax LML Fuel Return Testing - Diagnostic Network
It seems to me that it should be a valid and safe test to block the return line from the pump (steel pipe), and run the injector return (rubber hose) into a container, then attempt to start the engine
- LML - fuel return line regulator issues | DuramaxDiesels. com
so on the lml the injectors need to have I think like 150 psi in the return lines leaving injector to run right, has any one dealt with the regulator going
- LML 105K miles NO Start - Chevy and GMC Duramax Diesel Forum
Install the CH-50375 Fuel Injector Return Line Adaptor and gauge on an injector return line Crank or start the engine and verify that the fuel pressure is greater than 4 bar (58 psi)
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