by rockswel on November 22nd, 2009

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I have a 2003 Pontiac Grand Prix. Since yesterday my car has had a rough idle and is puttering. Ironically the check engine lite thats on all the time turned off. Any suggestions or ideas what could cause this? This just happened out of the blue. The code

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I have a 2003 Pontiac Grand Prix. Since yesterday my car has had a rough idle and is puttering. Ironically the check engine lite thats on all the time turned off. Any suggestions or ideas what could cause this? This just happened out of the blue. The code

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I have a 2003 Pontiac Grand Prix. Since yesterday my car has had a rough idle and is puttering. Ironically the check engine lite thats on all the time turned off. Any suggestions or ideas what could cause this? This just happened out of the blue. The code

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