2002 Oldsmobile Alero Car Really Rough Idle Also Service Vechicle Soon Light

2002 OLDSMOBILE ALERO
13,900 MILES
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ANONYMOUS
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The car is really rough when at idle, why?

Also the service vechicle soon light comes on and goes off then comes back on until vechicle is turned off, why?
Dec 5, 2012 at 9:24 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
Lets start with you getting me the exact code number not code descriptions you have in your computer and i can tell you a lot more.
Dec 5, 2012 at 9:36 PM
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