2000 Chevy Cavalier performance declines as engine warms up

2000 CHEVROLET CAVALIER
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HOTRODPODO
  • MEMBER
  • 1 POST
Engine Performance problem
2000 Chevy Cavalier 4 cyl Front Wheel Drive Automatic 106k miles

The car starts fine. Runs and drives fine for about 10 minutes before it begins to run rough and stumbles, especially just off idle. New fuel pump 3 mos. ago, new fuel filter and new plugs.
Dec 29, 2008 at 9:56 AM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
I would suspect an O2 sensor
but 1st step need to be is scanning for codes and checking the computer
most local part store should be able to help you getting the codes
if any
let me know
Dec 29, 2008 at 10:11 AM
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