
1996 GMC C1500 Sierra SL 4.3L Misfire, MIL Lamp on
Truck came with complaint of Check Engine Light comes on And Missfires. Road tested w/scan tool. No missfire & light not on. Bank 1 sensor 1 is switching fine but freeze frame showed Bank 1 Sensors 2 & 3 at 99%. Sensor 3 is before cat & 2 after cat. Fuel press...
FIX posted 10/11/2007
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Message Closed w/FIX
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VIN | 1GTEC14W9T |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P)300 | Multi-cylinder missfire |
P0143 | Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
1996 GMC C1500 Sierra SL
VIN | 1GTEC14W9T |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P)300 | Multi-cylinder missfire |
P0143 | Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Voltage |