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2003 Chevrolet Silverado 1500 4.3L Excessive Emissions, MIL Lamp on
Posted to GM Driveability on 2/22/2005 8 Replies

This truck ever sence it came from bodyshop has had a ses light on & code P0128. The body shop replaced coolant temp sensor but no change. My snap-on scanner shows ect -40 degrees, intake air temp -40 and baro -.55 volts all the time. Tested for 5 volts from s...

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  Related Documents & Media  2003 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEC19X63
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways
Misc.Ext Cab

Trouble Codes

P0128Cooling System Malfunction
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEC19X63
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways
Misc.Ext Cab

Trouble Codes

P0128Cooling System Malfunction