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High idling on 2002 Cadillac DeVille DTS

Tiny
KUWAITDTS02
  • MEMBER
  • 2002 CADILLAC DEVILLE DTS
  • V8
  • FWD
  • AUTOMATIC
High idling on 2002 cadillac deville dts. Car turns on idling at 3 when put into gear goes no lower then above the one. Been doin it about an week. Changed tps and cleaned throttle body what else can I do?
Wednesday, November 24th, 2010 AT 4:01 AM

2 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
It is quite possible that you have a vacuum leak causing unmetered air to enter the engine. A common place for this is the boot between the plastic intake and aluminum waterpump housing/crossover. You might be able to get a response by spraying liquid in that area, use caution if the liquid is flammable.
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Wednesday, December 1st, 2010 AT 5:46 AM
Tiny
KUWAITDTS02
  • MEMBER
  • 2 POSTS
Thank you
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Wednesday, December 1st, 2010 AT 5:49 AM

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