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Hey guys i have 2008 Impala Police Package no engine code or nothing serious wrong with the car but when i am idoling i feel the car shaking a little nothing crazy but im very anal with my cars and id like to know what the cause COULD be. Thanks in advance!
 

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It is hard to say really what it could be without being there with the car... A place I would look if it was my car is how is the Motor mounts, Also Sub Frame mounts. When was the last turn up done? If none since you bought the car. Get a Tune up, (Fuel Filter, Air Filter, Plugs, and wires.) Check over Struts/Shocks. Test with a Good OBD II reader looking for Pending Codes.

Not that you have to do anything I just said, Just something that I would look over/do if I had your car with what you describe

James
 
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Police cars lead a hard life. They often idle for hours in hot weather with A/C and emergency lights on. Maybe the car needs a set of new plug wires? And they are also driven hard if used as patrol cars.
 

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@Joes74challenger Thank you for the correction. Keep forgetting the 06 up are non serviceable as standard. Guess tune up everything besides the Fuel Filter..

Again thanks for the Reminder

James
 
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