2000 Pontiac Bonneville

2000 PONTIAC BONNEVILLE
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TALOSHASMITH
  • MEMBER
  • 2 POSTS
Engine Performance problem
2000 Pontiac Bonneville 6 cyl Automatic 150000 miles

my car was recently put on a tester and the code po204 said it could have been a number of things i put a ne throttle sensor on it spark plugs and wires cclean the number 4 injector the only thing left was my egr valve and my car hesitates sometimes and makes a rough noise when idled it does it on occasions could my valve be sticking be the reason why sometimes its smooth and others its rough i can be oushing the gas sometimes on take off and its like it not getting enough gas then it will just take off
Sep 15, 2010 at 8:36 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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JDL
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 16,098 POSTS
Check for voltage at number 4 injector, pink wire, goes hot when you turn on the key. Use a noid lite on # 4 injector plug, engine cranking, should be a pulse. Do an ohms test on number 4 injector compare reading to others.
Sep 15, 2010 at 3:41 PM
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