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1994 Pontiac Grand Am I am stumped

Tiny
KCCP586
  • MEMBER
  • 1994 PONTIAC GRAND AM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 169,586 MILES
There are 2 problems I cannot seem to pinpoint. First, As I accelerate, the headlights get brighter and the blower motor for the heating sytem runs higher. Also the ABS light will NOT go off. What could cause that. Second, When I put the car in Neutral and rev the motor up it hits a certain point and starts to whir I gues it sounds like a chattering rev. Up and down quickly. Any ideas? Thank You
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Tuesday, December 23rd, 2008 AT 10:34 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Have the charging system tested at most autoparts stores for free. Look for alt. Output loaded and unloaded. Even if it is charging properly you may have a bearing in the alt. Going south. Also check for proper belt tension and belt condition.
The test also includes a battery, starter test.

The ABS light is hopefully a wheel sensor that has worked loose, but you would need to get the car scanned with a chassis scanner to get the ABS fault.

Since this is an OBDI car, most likely you will have to get a trusted garage, or the dealer service scan the ABS system.
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Wednesday, December 24th, 2008 AT 9:35 AM

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