2000 Pontiac Grand Am power loss

2000 PONTIAC GRAND AM
31,500 MILES • 4 CYL • FWD • AUTOMATIC
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FROGGER1
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  • 1 POST
it started when it had a weak battery,installed new batt.starts good runs good loss of power at about 2000 rpm,will bog down and start missing if you floor the gas pedal.
Sep 9, 2010 at 4:26 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Lack of acceleration,chugging,hesitating,jerking,bogging,misfiring etc. could be caused by one of the following below:

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.
Sep 9, 2010 at 4:45 PM
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