service engine soon light

1997 CHEVROLET ASTRO
114,000 MILES • 6 CYL • 2WD • AUTOMATIC
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ELLIOT NUNN
  • MEMBER
  • 2 POSTS
i had a catalytic converter,fuel pump & filter,map sensor,battery changed on a 97 astro,service engine soon light will not go out,engine hesitates a little at idle & i feel a harsh jolt at about 60mph every time on the highway,what do you think it is?
Feb 14, 2011 at 7:15 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
Feb 14, 2011 at 7:16 PM
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