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2006 Chevrolet Express 3500 LS 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 3/28/2018 24 Replies

at highway speeds scanner indicates misfires on all 8 cylinders even though it seems to be running fine and no miss is evident during misfire counters going up.

Have check O2 operations and fuel output, new ignition parts, multiple relearn attemps with crank ...

24 Replies Received (View Replies)

  Related Documents & Media  2006 Chevrolet Express 3500 LS

 
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Express 3500 LS

VIN 1GBJG31U56
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Express 3500 LS

VIN 1GBJG31U56
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected