ROUGH IDLE DURING ACCELERATION IT MISSES AND ...

  • Tiny
  • sparky97
  • 1994 Pontiac Grand Prix
  • 140,000 miles

Rough idle, during acceleration it misses and chuggs, changed fuel filter, plugs, wires, and now coil packs, still same issue. Wont rev over 4k in park.3.1 v6

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Monday, March 18th, 2013 AT 5:50 PM

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  • Tiny
  • hmac300
  • Expert
  • 43,725 posts

Scan for codes and check fuelpressure first. Shold be 41-47 psi fuel pressure.

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Monday, March 18th, 2013 AT 6:59 PM

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