Mechanics

GMC ENVOY GAS PROBLEM

2003 GMC Envoy • 16,200 miles

Car was idling rough after wife filled up. I replaced fuel filter, plugs and air filter. Still idles rough. I pulled the new filter back off to check the gas, but gas was clear and clean. The exhaust is louder, was a quiet running vehicle. Could this be one of the sensors causing this?
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March 18, 2013.




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