EGINE

  • Tiny
  • bigjohn1991
  • 1992 GMC
  • V8
  • 4WD
  • manual

I done put a icv and tps and its still doing the samething its acking like it need more fuel when I shift from 1 to 3 but 4 and 5 does okay but it only does it when im doing high rpm.

Friday, January 28th, 2011 AT 6:44 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Tranny could be slipping-check the fuel pressure and also the manifold absolute pressure sensor, throttle position and the vehicle speed sensor-

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Friday, January 28th, 2011 AT 6:57 AM

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