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1-6 of 6 Results
  1. Drivetrain
    I’m having a weird issue I can’t seem to nail down. Hopefully someone on here can help. Apologies in advance for the long post. For the last 6 months, occasionally while starting the truck it will come up to idle RPM and rail pressure (5000-6500psi) for a few seconds and then actual rail...
  2. Gauges, Electronics and Wiring.
    So ive got an lly and a couple months ago my y bridge blew out and I was putting it back in with a pry bar and accidentally broke my fuel pressure regulator. The pig tail was fine and I even put the broken off end in the plug to protect it for when I replace the fpr. A couple months go by of...
  3. 911 Problems Forum
    2011 duramax. Egr and fuel filter delete( filter head removed) fass 165 lift pump 3 inch down pipe lb7 up pipe h&s mini max pcv reroute. I just replaced headgaskets and lower oil pan gasket. Cranked over with no glow plugs to try and prime up oil before actually running at idle speeds. Installed...
  4. 911 Problems Forum
    I done a egr delete recently and noticed my truck throwing a p0090 dtc. After checking my wiring harness i seen that i broke the plug in on my fpr after replacing the fpr the code went away for a couple of hours but then i got codes p0088 and p0090. Could the new fpr be fault or could it be...
  5. 01-04.5 LB7 Duramax Powertrain
    Earlier today I installed a fuel pressure gauge from Glowshift to monitor my AirDog 150. I bought and installed the 8 psi spring from Vulcan Performance. My gauge reads a minimum of 12 psi while the engine is under load and about 14-15 psi while idling. Since I installed the 8 psi spring I...
  6. 01-04.5 LB7 Duramax Powertrain
    Im new here and first time posting. I tried searching but still wasnt for sure so i thought i would just ask. I have had a 2003 ccsb for about a month now. Since i bought it it has had a slight surge in idle, and little puff of smoke on start up and idle sometimes. No loss of power or loss of...
1-6 of 6 Results
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