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1997 GMC K2500 Sierra SL 5.7L MIL Lamp on
Posted to GM Driveability on 1/25/2006 5 Replies

Have installed lpg system .Drives good for a week or so with service engine soon light on until it gets enough codes and then goes into limp [...] fitted emulators to o2 sensors. I have tried everything i can think of to stop this occuring. It is only when run...

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  Related Documents & Media  1997 GMC K2500 Sierra SL

 
Message Closed w/Summary

car Vehicle Data

1997 GMC K2500 Sierra SL

VIN 1TGEK19R4W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Cruise
Misc.LPG Fitted

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

1997 GMC K2500 Sierra SL

VIN 1TGEK19R4W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Cruise
Misc.LPG Fitted

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)