car idles too fast after the dealer replaced the throttle position sensor and idle speed actuator

Asked by abilities Jan 12, 2009 at 03:55 PM about the 1990 Cadillac DeVille Coupe FWD

Question type: Maintenance & Repair

The car was idling extremely fast so we took it to a caddy dealer and they replaced the throttle sensor and idle speed actuator. I helped but still idles too fast especially after warm up. seems to be progressingly getting worse. any ideas?

2 Answers
115

Stephanie answered 15 years ago

Maybe get the idle air control valve looked at. My car had a high and fast idle. A couple friends of mine figured it out and thats what we came out with. We switched the valve and that solved a lot of problems. Try it, it may work.

6 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Cadillac DeVille Questions

CarGurus Experts

  • #1
    James Sparrow
    Reputation
    4,090
  • #2
    tuff4x4
    Reputation
    3,110
  • #3
    Cynthiasmith
    Reputation
    2,840
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Cadillac Eldorado
4 listings
Used Cadillac Fleetwood
2 listings
Used Cadillac Seville
1 listing
Used Lincoln Town Car
7 listings starting at $9,995
Used Cadillac Brougham
1 listing
Used Ford Mustang
65 Great Deals out of 1,259 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.