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Vehicle Dies During Driving
Thanks for all of the replies. The reported fuel pressure never dropped below 43 psi so far. It seems to only have this issue when between 3/4 and 1/4 of a tank. I'll keep keeping an eye on the fuel pressure when it's having issues. I've gone through all of the grounds chasing a separate...- chandler583
- Post #11
- Forum: Engine & Drivetrain
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Vehicle Dies During Driving
I do have some codes stored, but no MIL illuminated. Some of them may be set since they haven't run yet. I've attached the full report. I've replaced the purge valve since it was contaminated and stuck from charcoal migration through the EVAP system. I do get large negative fuel tank pressures...- chandler583
- Post #6
- Forum: Engine & Drivetrain
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Vehicle Dies During Driving
Hello all! I've got a peculiar problem I'm attempting to diagnose. I'm not super familiar with the LMG engine and I am out of my depth. I've got a 2012 Suburban with the 5.3L. It recently has gone through a lifter replacement and AFM delete and the associated programming that's supposed to be...- chandler583
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- Replies: 11
- Forum: Engine & Drivetrain
