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1999 Cadillac Deville high idleing

Tiny
JULIANROBYN
  • MEMBER
  • 1999 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 127,000 MILES
My car idles extremely high. Arround 3000 rpm and some times go down then up again
Sunday, March 28th, 2010 AT 8:34 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Clean out the idle air control valve and see what happens.
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Sunday, March 28th, 2010 AT 8:49 PM
Tiny
JULIANROBYN
  • MEMBER
  • 1 POST
I replaced it along with the mas airflow and the tps
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Sunday, March 28th, 2010 AT 9:11 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check for vacuum leaks and also the fuel pressure
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Monday, March 29th, 2010 AT 5:34 AM

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