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92 Olds Ciera Stumbling & Backfiring

Tiny
PAUL WOZNIAK
  • MEMBER
  • 1992 OLDSMOBILE CIERA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 360,000 MILES
Why does my 92 Ciera stumble and backfire when I step hard on the pedal in while the automatic transmission is downsifting to first gear?

The car has 360,000 miles.
Friday, February 4th, 2011 AT 5:42 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Something that year and mileage, you may need to take it easier? When was the last tune-up? Any mil codes? Timing issue? If you think it is a tranny issue, I'm not sure how to help.
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Friday, February 4th, 2011 AT 6:23 PM

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