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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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9 Replies Received
9 Replies Received
Related Documents & Media | 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 |
Video