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2006 Chevrolet Avalanche LS 1500 5dr Crew Cab 130 WB 2WD

2006 Chevrolet Avalanche
Trim Info:
Rear Wheel Drive, 5 Door Crew Cab
14 mpg city / 19 mpg hwy
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June 4, 2009, 1:25 pm

David D

Question: My 2002 Chevy Avalanche check engine light is on.

My check engine light is on when I first start it up in the morning it shakes a little. I change spark plugs wires, knock sensor,all four o2 sensors,and mass air flow sensor.And the light is still on and it still runs the same when I fisrt start it up in the morning what else can I do

July 6, 2010, 9:51 pm

Israel H

I am not 100% sure but I believe even if you fix whatever the problem is you are going to have to have the service engine light reset I believe there is a sensor that haves to be reset to indicate the engine has been serviced. Other than that you can get a free diagnostic ran at autozone I believe.

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