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car shuts down at stop lights or when ideling?


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tdennis
New User

Jul 4, 2016, 10:10 AM

Post #1 of 3 (1404 views)
car shuts down at stop lights or when ideling? Sign In

My 2000 Cadillac deville is turning off at stop lights or when you take your foot off the gas pedal?
I have replaced the idler air control valve and that didn't work.
And I put premium gas in and fuel system cleaner in.
so I need to know how do you turn up the idler.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 4, 2016, 2:10 PM

Post #2 of 3 (1397 views)
Re: car shuts down at stop lights or when ideling? Sign In

You DON"T turn up the idle. It is entirely controlled by the computer and is not adjustable in any way. You need to find the cause of the problem and repair it.
Start out by looking for any vacuum leaks and cleaning the inside of the throttle body and back of the throttle plate.



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kev2
Veteran
kev2 profile image

Jul 4, 2016, 2:18 PM

Post #3 of 3 (1391 views)
Re: car shuts down at stop lights or when ideling? Sign In

scan for codes even if light is off. post all codes someone will advise...
Easy test you can try-
When you are slowing down or stopping shift the trans to N - advise if it still cuts off...






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