1990 Ford F-150 Truck starts up and idles but dies when revv

Tiny
BRIANWOLLAM
  • MEMBER
  • 1990 FORD F-150
  • V8
  • 4WD
  • MANUAL
  • 26,000 MILES
The truck starts up just fine and will idle nicely, yet when the gas pedal is pushed, the engine dies unless you feather it. When able to reach a higher rpm, the truck backfires quite a bit. What could be possible causes?
Wednesday, September 1st, 2010 AT 10:32 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Have you checked for vacuum leaks, fuel pump pressure, and has the check engine light come on? It sounds like a bad throttle position sensor, but without scanning the computer, that is a guess.

Let me know.
Joe
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Thursday, September 2nd, 2010 AT 6:56 AM

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