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International Automotive Technicians Network
2000 Chevrolet Impala 3.4L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 5/17/2002 10 Replies

Hello GM techs:

This car puzzles us. Number 2 cylinder is dead. Serial data shows #2 misfire counts steadily increasing. Compression is 125 on all cylinders. Spark is good, injector press. drop test seems fine. There is no history of coolant consumption, the ...

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Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Impala

VIN 2G1WF52E0Y
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Impala

VIN 2G1WF52E0Y
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected