I have a 2000 jimmy, vortec motor, showing code p0300

2000 GMC JIMMY
105,000 MILES
Avatar
DEREK926
  • MEMBER
  • 6 POSTS
I put on new plugs, wires, cap and rotor,and still runs rough and showing same code, what else could it be?
Jan 11, 2012 at 10:07 PM
Advertisement
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.