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2005 Chevy Impala JERKING WHEN SHIFTING

Tiny
MICHAELTMUSTION
  • MEMBER
  • 2005 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 84,000 MILES
I HAVE THIS 2005 IMPALA THAT SHIFTS HARD AFTER DRIVING FOR A FEW MINUTES. I HAVE CHANGED THE TRANSMISSION FLUID OUT RECENTLY TO SEE IF THAT WOULD HELP, AND WITH NO SUCCESS. EVERYTHING HAS BEEN KEPT UP AS FAR AS OIL CHANGES, AIR FILTER, FUEL FILTER, THE SPARK PLUGS ARE PLATINUM, TRANSMISSION FILTER, AND INJECTORS CLEANED. COULD THERE BE SOMETHING ELECTRICAL, AND WHAT WRONG WITH THE CAR? THE CHECK ENGINE LIGHT IS NOT ON OR ANYTHING. ALSO THE SPEEDOMETER STARTED TO DRAG SOME WHEN DRIVING, I DON'T KNOW IF THIS HAS ANYTHING TO DO WITH IT?

THANKS.
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Wednesday, July 30th, 2008 AT 11:17 AM

2 Replies

Tiny
JDUBUYA
  • MEMBER
  • 10 POSTS
2005 impalas require iritium plugs. Replace the ones you have in now with ACdelco irithium spark plugs and you will see a difference in your performance.
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Wednesday, July 30th, 2008 AT 2:45 PM
Tiny
JDUBUYA
  • MEMBER
  • 10 POSTS
Also try to have your distributor caps tested at any auto parts store.
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Wednesday, July 30th, 2008 AT 8:22 PM

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