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

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

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?

1 Answer

85

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.

5 out of 6 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Cadillac DeVille Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Cadillac DeVille Experts

#1 kikero
kikero
Reputation 1,970
#2 Js08016
Js08016
Reputation 1,520
#3 Cynthiasmith
Cynthiasmith
Reputation 1,430
View All

Related Models For Sale

Used Cadillac Eldorado
388 listings starting at $2,400
Used Lincoln Town Car
41 Great Deals out of 2,109 listings starting at $1,995
Used BMW 7 Series
175 Great Deals out of 5,719 listings starting at $3,299
Used Ford Mustang
541 Great Deals out of 43,035 listings starting at $1,699

Used Cars For Sale

2005 Cadillac DeVille For Sale
284 listings starting at $2,950
2004 Cadillac DeVille For Sale
257 listings starting at $2,500
2003 Cadillac DeVille For Sale
257 listings starting at $1,600