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2003 Chevrolet Express 3500 6.0L MIL Lamp on
Posted to GM Driveability on 1/28/2013 4 Replies

viehicle came in because could not smog and has o2 heater codes i have never seen 3 heater circuits non opperational all have 12 volt reff for heaters but computer does not pulse heaters when ennabled have done bentch test and the heater circuit opperates on t...

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  Related Documents & Media  2003 Chevrolet Express 3500

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Express 3500

VIN 1GBJG31U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Express 3500

VIN 1GBJG31U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction