2004 grand marquis idles up and down on it's own when i come to a stop

Asked by Mar 30, 2017 at 11:02 PM about the 2004 Mercury Grand Marquis GS

Question type: Maintenance & Repair

any ideas on what it can be or what i can check or test ?

2 Answers

26,545

Probably responding to unmetered air, check for vacuum leaks, PCV valve/elbow is a good place to start.

thanks i'm gonna take a look at that

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