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1996 GMC C1500 Sierra SL 4.3L Surge, Misfire
Posted to GM Driveability on 4/3/2003 4 Replies

misfire at steady throttle over 60km/h intermittantly. this problem started at about 50,000km. it has never really been fixed. dealership has tried to deal with this problem for a long time.

4 Replies Received (View Replies)

  Related Documents & Media  1996 GMC C1500 Sierra SL

 
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car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14W9T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsSurge, Misfire
OccursCruise, Intermittently

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0300Multiple Misfire Detected
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching
Message Closed

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14W9T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsSurge, Misfire
OccursCruise, Intermittently

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0300Multiple Misfire Detected
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching