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2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 11/9/2011 10 Replies

I am working behind another mechanic trying to get this vehicle passed through a gov't assistance program. I found the wrong plugs in it and a messed up intake gasket. However now that all is corrected I still have a constant #3 missfire that cannot get to go ...

10 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Avalanche 1500

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Avalanche 1500

VIN 3GNEC13T22
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Avalanche 1500

VIN 3GNEC13T22
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected