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Car will start but it shuts off right away, will not stay running

Tiny
RAMDG10
  • MEMBER
  • 2002 CADILLAC DEVILLE
  • 94,000 MILES
If I keep my foot on the gas it will stay running but when I take my foot off the gas it shuts off. Someone told me its the IAC value could that be true?
Saturday, May 25th, 2013 AT 8:35 AM

4 Replies

Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
It could be lots of things. Sounds like the ideal speed control sensor. Take it to the parts store and have that codes check. You can start here.
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Saturday, May 25th, 2013 AT 9:00 AM
Tiny
RAMDG10
  • MEMBER
  • 3 POSTS
Is that the same as the Idle Air Control Value?
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Saturday, May 25th, 2013 AT 9:06 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Yes that's only a shot in the dark. You need to have the code read.

Here is a link to help you if you decide to check the codes yourself:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
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Saturday, May 25th, 2013 AT 5:29 PM
Tiny
RAMDG10
  • MEMBER
  • 3 POSTS
Thank you very much. After talking to you I also Googled it and it told me how to test the part you told me about. And I found that it was stuck open. Pick the part up for $200.00 and put it on myself. Now my car runs fine. Once again thank you!
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Sunday, May 26th, 2013 AT 6:40 PM

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