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2002 Oldsmobile Alero GL 2.2L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 11/29/2009 22 Replies

When this car idles it shows missfires on all cyclinders. #2 and #4 are the worse. Engine idles a little rought but does not backfire or pop. Above idle car runs fine. Will only set po300 code. Have clean throttle body, iac ports, replaced ignition system as a...

22 Replies Received (View Replies)

  Related Documents & Media  2002 Oldsmobile Alero GL

 
Message Closed w/FIX

car Vehicle Data

2002 Oldsmobile Alero GL

VIN 1G3NK52F32
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / eco tech engine
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Oldsmobile Alero GL

VIN 1G3NK52F32
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / eco tech engine
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0300Multiple Misfire Detected