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1996 Chevrolet C1500 5.7L Misfire, MIL Lamp on
Posted to GM Driveability on 8/12/2004 10 Replies

Vehicle has a definite bad B1/S2 HO2 sensor. Exhibits a missfire, mostly on cyl's 5, 6 &7. It will occur after it warms up to above 150 deg. F. and shows up in park accel lightly from 2500 to 3000 rpms and driving, on light accel or sustaining speed on slight ...

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  Related Documents & Media  1996 Chevrolet C1500

 
Message Closed w/Summary

car Vehicle Data

1996 Chevrolet C1500

VIN 2GBEC19R5T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways
Misc.Extended Cab

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/Summary

car Vehicle Data

1996 Chevrolet C1500

VIN 2GBEC19R5T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways
Misc.Extended Cab

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P0420Catalyst Efficiency Below Threshold (Bank 1)