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1996 GMC C1500 Sierra SL 4.3L MIL Lamp on
Posted to GM Driveability on 6/22/2007 10 Replies

At present the issue is bank 1. Looking at mastertec waveform bank 2 is swinging fine- tho has had issues in the past. When a new AC Delco sensor is installed it also looks fine, but 100+ miles & it looks crappy again like something is killing the sensor/s ? W...

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  Related Documents & Media  1996 GMC C1500 Sierra SL

 
Message Closed w/Summary

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14WXT
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching
Message Closed w/Summary

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14WXT
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching