Recent content by JBis

  1. JBis

    OBD2 won’t connect to ecu

    I can’t drive to orileys because the closest store is 70 miles away.
  2. JBis

    OBD2 won’t connect to ecu

    It’ll read codes. It doesn’t pull what vehicle it’s connected to, so the employee has to enter vehicle information then they would be able to read it. I’m using two different Bluetooth scanners others said worked on the forum, one blue, one black. Should I go to harbor freight and try to see if...
  3. JBis

    OBD2 won’t connect to ecu

    Trying to read sensor data from 2000 c3500 5.7. Diagnostic port has power and can read codes only from an AutoZone reader. Service manual says test for continuity for purple wire going to pcm from obd2 port. And says to replace the entire pom if there is continuity, confirming that there are...
  4. JBis

    5.7 Vortec Hard start when warm

    yep the sensor, not the sender. Holding the throttle to the floor helps it start though. MAF has also been replaced. Going to look tomorrow for what pins I should test in the ecu to see if a wire broke.
  5. JBis

    5.7 Vortec Hard start when warm

    2000 c3500 5.7 vortec. All items replaced so far are gm genuine or delco. ICM, coil, cap, rotor, fuel pressure regulator, oil sending unit (one wire type), crank position sensor, temp sens Truck came with updated injectors. Code reader says cannot connect to ecu, but has power. So is there a...
  6. JBis

    Starting issue after sitting over 15 minutes, P1351 code

    I do not have a solution, but here is something I found out. 2000 c3500 5.7. New cap, rotor, coil and icm. All Delphi, delco or standard. Holding the throttle about 1/8 - 1/4 down while starting during the problem period has me start it with no problem. I don’t know where to go from there other...
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