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1997 Chevrolet Blazer 4.3L Misfire, MIL Lamp on
the engine show constent misfire on cyl. #3 has 150 compression has good spark have replaced fuel pressure reg. and return fuel line when truck came in it had 75# fuel pressure not sure how long customer drove like that replaceing return line fix high fuel pre...
FIX posted 3/16/2005
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Related Documents & Media | VIN | 1GNDT13WOV |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0300 | Multiple Misfire Detected |
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Vehicle Data
1997 Chevrolet Blazer
| VIN | 1GNDT13WOV |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
| P0300 | Multiple Misfire Detected |
Video