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1999 Oldsmobile Alero GL 2.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 1/26/2009 9 Replies

we have replaced all four injectors and coil housing, we injector pulse with and the crk and cam sensors show correct data we have checked for pcm ground and found no problems there. is it possibe for the ign module to short or the pcm drivers to cross short. ...

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Message Closed w/Summary

car Vehicle Data

1999 Oldsmobile Alero GL

VIN 1G3ML52T1X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Cold, Hot, Cruise, Idle

Trouble Codes

P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1999 Oldsmobile Alero GL

VIN 1G3ML52T1X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Cold, Hot, Cruise, Idle

Trouble Codes

P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected