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2004 Chevrolet Express 3500 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 3/11/2011 6 Replies

04 chevy 3500 express 6.0 came in with dtc's p0174 system too lean (bank 2),p0175 system too rich (bank 2)and p0300 multiple/random misfire [...] drove the van while cold and hot conditions and could not duplicate customer complaint of lack of power...inspecte...

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car Vehicle Data

2004 Chevrolet Express 3500

VIN 1GAHG39U64
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2004 Chevrolet Express 3500

VIN 1GAHG39U64
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected