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Miss

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Old 12-09-2015, 10:50 AM
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I have a 04' Envoy with a intermittent engine miss...bad idle and at 2000rpm kinda thing but then it's good for days....?????






Mike Kozura
 
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Old 12-09-2015, 07:28 PM
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Start by cleaning the MAF (mass air flow) sensor if you have a 4.3 v6. If you have the 4.2 I6 clean the throttle body. Need a little more info on your truck.
 
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Old 12-11-2015, 05:04 PM
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I6 4.2 What kind of info
 
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