CODE U1064 AND P0300

2006 Chevrolet Colorado • 63,236 miles

My engine light came up on my 2006 Chevy Colorado. Stopped at auto parts store and they hooked up the OBD. U1064 and p0300 came up. Not communicating with module and random misfire x2. Drove to dealership they did diagnostic, another code came up p0171
April 8, 2012.

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