2000 Pontiac Firebird misfiring

2000 PONTIAC FIREBIRD
94,000 MILES • 6 CYL • 2WD • AUTOMATIC
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TAYLORFIREBIRD
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  • 1 POST
After buy the car I took it to the car wash and had it cleaned including under carraige spay. immediately stated misfiring and hasnt cleared. replaced the plugs and wires. now has codes showing for sensors and transmition errors has no power never dies.
Oct 15, 2008 at 7:04 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
2000 Pontiac Firebird misfiring

Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
Oct 15, 2008 at 7:09 AM
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