GMC C2500 Engine Runs Rough

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4 discussions

Engine Runs Poorly, Burns Gas

2003 GMC C2500

Catalytic Converters Have Been Gutted Before I Got The Truck Not Showing Check Engine Light But Getting Fuel System Lean Bank 1 An Bank 2....

1 ANSWER

Asked by sgordon80

1998 GMC C2500

Replaced Plugs When Noticing A Drop In Voltage From The Alternator, Plugs Were Way Overdue. Truck Ran Great For A Week Then Started Running...

2 ANSWERS

Asked by DRC52

1998 GMC C2500

The Engine On My Gmc 2500 Is Idling Rough When I Put It Into Drive, But Once I Get To About 2000-2500 Rpms It Quits And It Drives Fine....

1 ANSWER

Asked by justfisher

1989 GMC C2500

Engine Runs Rough & Burns Gas Bigtime. 10 Mpg @ 70 - 73 Mph.

1 ANSWER

Asked by hammmerhead

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