why does my car have rough accel. rough at constant speed but runs well when applying more throtle

25

Asked by bigtom Jan 04, 2008 at 03:31 PM about the 1991 Oldsmobile Custom Cruiser

Question type: Maintenance & Repair

3 Answers

84,385

Sounds to me like either a mass airflow sensor or throttle position sensor. It's having trouble telling the ECM the "position" of the throttle or the amount of air flowing through the throttle body at idle, so it's hunting, and has a rough idle. You may also need a tune-up.

Your Answer:

Custom Cruiser

Looking for a Used Custom Cruiser in your area?

CarGurus has 3 nationwide Custom Cruiser listings and the tools to find you a great deal.

ZIP:

Own this car?

Share your experience with others.

1991 Oldsmobile Custom Cruiser

Review another car

CarGurus Experts

  • #1
    Paul
    Reputation
    20
  • #2
    KenF
    Reputation
    10
  • #2
    Gene Arnett
    Reputation
    10
View All

Know more, shop wisely

Search

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.