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2004 Chevrolet Express 2500 LS 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 3/25/2008 6 Replies

i need some help with this one guys i have a misfire on all cyl it switches around have checked all plugs ok ran injector balance test cyl 1 55psi start 40psi after tested cyl 2 56psi start 34 after tested cyl 3 56 start 34 after tested cyl 4 56 start 34 after...

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  Related Documents & Media  2004 Chevrolet Express 2500 LS

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Express 2500 LS

VIN [No VIN Available]
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Cold, Under Load, Idle

Trouble Codes

P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Express 2500 LS

VIN [No VIN Available]
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Cold, Under Load, Idle

Trouble Codes

P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0200Electronic Throttle Control System - Position
P0300Multiple Misfire Detected