why does my car idle high

Asked by GuruJMVCN Aug 09, 2020 at 04:20 PM about the 2003 Buick Century

Question type: Maintenance & Repair

my 2003 buick century is idling way to high you can go down the road and not
even press the accelarator it has been doing this for months my husband has
already replaced the throttle body and sensor and we replace a vaccum hose
that was split can somebody please tell me what is wrong with my car

1 Answer

134,915

A high idle can be caused by something as simple as a vacuum leak. Or it could be a defective/dirty idle air control valve, idle speed controler, fuel pressure regulator, or even the engine being out of time. A longer shot, it could be caused by a defective alternator.

Your Answer:

Buick Century Experts

  • #1
    Bruce Sampson
    Reputation
    1,760
  • #2
    John Saffrahn
    Reputation
    1,490
  • #3
    John Pate
    Reputation
    1,120
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Buick LeSabre
11 listings
Used Buick Regal
3 Great Deals out of 71 listings starting at $5,250
Used Chevrolet Impala
19 Great Deals out of 499 listings starting at $2,200
Used Toyota Camry
74 Great Deals out of 2,369 listings starting at $2,600
Used Honda Accord
51 Great Deals out of 1,783 listings starting at $100
Used Chevrolet Malibu
35 Great Deals out of 1,213 listings starting at $2,771
Used Honda Civic
109 Great Deals out of 7,888 listings starting at $995
Used Toyota Corolla
185 Great Deals out of 7,230 listings starting at $988
Used Hyundai Elantra
137 Great Deals out of 5,101 listings starting at $2,888
Used Chevrolet Silverado 1500
92 Great Deals out of 4,684 listings starting at $4,995

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.