2000 GMC SIERRA
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computer code po251a....rotor cam problem starts hard runs poor bucks when you lug it any ideas what it could be?
Oct 20, 2012 at 12:28 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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