06-19-2014, 10:35 AM | #1 |
Rusty Rockerfeller
Join Date: May 2003
Location: South Georgia
Posts: 1,631
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8.1 miss
2001 GMC 2500HD seems to want to miss when you first start it up. you can feel almost a dead miss but seems to clear up after reving it up a few times. Installed new fuel pump and new wires with plugs? Could this be an injector? It does it everytime you shut it off for a while.
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