underhood

Asked by chuckie1991 Feb 07, 2009 at 08:41 PM about the 1991 Pontiac Grand Prix

Question type: Maintenance & Repair

when engine warms up rpm runs hi and low turn lights on car quits

1 Answer
2,925

Seth-Tabitha answered 15 years ago

Check the alternator first. If the car stalls when the lights are turned on with a warm engine, that is likely due to loss of voltage at the computer. Check and see if the alternator stops charging when it gets hot. It is not uncommon for alternators to fail on these cars, and alternator failure can cause numerous driveability issues.

Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Pontiac Grand Prix Questions

CarGurus Experts

  • #1
    munron
    Reputation
    8,230
  • #2
    James Sparrow
    Reputation
    7,530
  • #3
    Dorian Hendricks
    Reputation
    6,190
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Pontiac Bonneville
1 listing
Used Chevrolet Camaro
20 Great Deals out of 281 listings starting at $7,995
Used Pontiac Grand Am
1 listing
Used Ford Mustang
58 Great Deals out of 1,366 listings starting at $4,995
Used Pontiac Firebird
14 listings
Used Chevrolet Corvette
27 Great Deals out of 1,082 listings starting at $15,000
Used Buick Regal
3 Great Deals out of 39 listings starting at $4,991

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.