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2002 Pontiac Firebird

Tiny
SMM1986
  • MEMBER
  • 2002 PONTIAC FIREBIRD
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Within recent months my Firebird has begun to lose speed whilst driving down the road even when there was no change in acceleration. The engine also began to stall after sitting idle too long. It starts right back up which is a relief but within the last week it started jerking while driving down the road and the engine stalled afterwards. But only yesterday it started jerking again while driving down the road and I wasn't able to accelerate. The engine kept running but the car started to smell of rotten eggs. During these times the Check Engine Soon light never comes on.
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Thursday, August 12th, 2010 AT 2:26 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging, misfiring etc. Could be caused by one of the following below:

Start here-inspect and test all the item below and comeback with results.

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it.
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Thursday, August 12th, 2010 AT 9:46 PM

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