1991 Chevy Cavalier Stalling problem

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BRENBEAU
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  • 1 POST
Engine Mechanical problem
1991 Chevy Cavalier 6 cyl Two Wheel Drive Manual 270xxx miles

I am having a problem stalling everytime i slowdown to a light or stopsign and eventually stop my car revs up and down along with the rpms when i am slowing down sometimes when i start my car my the rpms go up and down, it doesnt stall when i start only when slowing, another weird thing about it, is it will only stall like this for a few weeks then eventually go away and this only starts when i change something on my car i had changed the altenator it started stalling then went away 3 months later changed the steering coulumn and now its starting again i changed all the filters, spark plugs, and used the computer at school ran a diagniostics and said the car was fine, help would be greatl;y appreciated?
Nov 16, 2009 at 9:29 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
It sounds like a throttle position sensor or idle air control valve. However, I would think it would have set a code. Have you checked fuel pump pressure? Does the engine always start right back up?
Nov 24, 2009 at 2:17 PM
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