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Re: 2002 GMC 1500 misfire
Posted to Technical Discussion Forum on 12/20/2010 7 Replies

The #4 cylinder shows about half as many misfires 8 is fine and two is fine no misfires 6 is constantly rolling the misfires I swapped the coil, wire, and injector with the# 2 which is fine # 6 is still constantly showing misfires. Login to read more.

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