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1993 Chevy Cheyenne throttle body back fire

Tiny
LIGHTNINGGRAPHIXANDSIGNS
  • MEMBER
  • 1993 CHEVROLET CHEYENNE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 119 MILES
When we press the gas pedal down from a dead stop. The thottle body back fires & it bogs down. We put a new choke sensor, tps sensor, cap & rotor, plugs, wires, fuel filter and cat. On and it still does it. Could this be timing or fuel injectors?
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Monday, September 8th, 2008 AT 9:12 PM

1 Reply

Tiny
KEVIN12881
  • MEMBER
  • 336 POSTS
Hear are the most common causes. 1. EGR system not functioning properly. 2. Timing. 3. Vacume leak. 4. Damaged valve springs or sticking valves 5. Intake air (vacume) leak
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Monday, September 8th, 2008 AT 9:21 PM

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