Engine problems

1990 CHEVROLET CELEBRITY
200,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DFRED2587
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  • 1 POST
Why Does My car have trouble starting then when I drive at low speeds the battery light stays on and the lights in my car are dim, then at high speeds the battery light stays on but the lights in my car get brighter until i slow down then the car shuts off and the service engine and check oil light comes on
Jan 11, 2011 at 7:20 PM
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JDL
  • ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
How long since a tune-up? Make sure the battery has a full charge and all battery connections, coming and going, are clean tight. Check the charging system. The alternator should carry the load with engine running. Up to a point, higher alternator rpms, higher the alternator output.
Jan 11, 2011 at 8:12 PM
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DAVE'S BIG BACKYARD!
  • EXPERT
  • 262 POSTS
it sounds like maybe a bad alt or connections at alt are loose.the same thing jdl said.
Jan 12, 2011 at 2:10 AM
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JDL
  • ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
I agree.
Mar 5, 2011 at 5:17 PM
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