1989 Chevy Celebrity chris cantu

1989 CHEVROLET CELEBRITY
134,500 MILES • 4 CYL • 2WD • AUTOMATIC
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CHRISCANTU5
  • MEMBER
  • 1 POST
i wanted to know why my car shakes up after i let my foot off the pedal why is that . Also my pedal feels hard to press down why is that and one more question why does it take so long for my car to pick acceleration up
Sep 28, 2010 at 12:01 PM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
First thing that comes to mind is a clogged or partially clogged CAT.

Perform a CAT backpressure test to find out.
Oct 7, 2010 at 2:46 AM
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