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1999 Chevrolet C2500 Suburban 7.4L Misfire
i have intermittent misfire on all odd number cylinders. bank 1.. stft b1 is pos 50. b2 its 0. spraying carb cleaner along intake does not change trims. i suspect the o2 sensor is low due to a lean condition. what besides intake gaskets could make it lean ...
FIX posted 6/11/2020
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GNGK26J6X |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Always |
| Misc. | Misfire |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet C2500 Suburban
| VIN | 1GNGK26J6X |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Always |
| Misc. | Misfire |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
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