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Old 12-26-2005, 08:10 PM   #4
R-ROD
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Re: Re: Re: 98 Grand Prix 3800 sfi engine shuts off

Quote:
Originally Posted by henri erhardt
I edited my original post with additional info. In short, replacing the CPS did not fix the problem. Could I get your feedback and any suggestions?
Did you check the IAC valve? Sometimes they get stuck when they are heavily carboned up. Causes crazy idle and the engine dies when it's not working properly.
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