Recent content by udidwht

  1. U

    '93 K3500, 454 TBI, poor drivability

    Yes the ground wire is at the T stat housing. It grounds thru the 2 bolts that hold down the T stat housing.
  2. U

    Tbi distributor magnet protection from rust question

    https://www.super-lube.com/metal-protectant-and-corrosion-inhibitor-6
  3. U

    Cold acceleration stumble/hesitation

    Fuel pressure check is needed (critical) Also check the CTS (Cooling temp sensor)
  4. U

    Code 32

    Never underestimate a flaky ground wire as the source of your frustration/s.
  5. U

    Does anyone know what this is???

    https://www.rockauto.com/en/moreinfo.php?pk=46600&cc=1059634&pt=4380&jsn=923
  6. U

    Does anyone know what this is???

    https://www.ebay.com/itm/315069060162
  7. U

    Suburban driving me crazy!!!

    How are the injectors themselves? When is the last time they were serviced? Another check the grounds. Clean, clean ,clean...
  8. U

    Needing help with transmission

    12 is not technically a code. It will begin and end with 12 always. The codes are after 12 finishes flashing at the beginning 3 times.
  9. U

    Weird starting problem

    Cables themselves is the issue.
  10. U

    Bouncy Idle, Eventually Dies 94 Chevy Pickup

    Next step is to confirm fuel pressure. Purchase this and install it at the fuel inlet. https://marine-performance-parts.com/cfmtechfuelpsiguageadaptorforgmtbi2843505774.aspx Also pick up a schrader 1-8 mnpt...
  11. U

    Tbi fuel pressure

    https://www.gmt400.com/attachments/20230429_001247-1-jpg.340464/ I use a quick connect fuel pressure tester. Use Gasoila E-Seal when sealing the fuel pressure fitting.
  12. U

    TBI Rebuild Services

    https://www.sprperformance.com/
  13. U

    TBI 454 Misfire

    Did you thoroughly check the throttle shaft ends for vacuum leaks?
  14. U

    Trying to find the right throttle body

    Head on over to here and you likely will find one who can help source the part... http://www.gearhead-efi.com/Fuel-Injection/forum.php?s=29b827bf16a1570472a99e3e5f7dc6a6 94-95 had pressure of 26-32psi vs 9-13. They also used different spec injectors.
  15. U

    4L80E to TR400 Trans swap 1995 Chevy P30 chassis motorhome

    The 94-95 454 TBI had fuel pressure of 26-32psi preferably 30psi. They also had different injectors. You sure it has the correct injectors in it?
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