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1997 Chevrolet S10 LS 4.3L Hesitation, MIL Lamp on
Truck runs great till you get under load. Then leans out , sets o2 sensors codes , happens about 85-90 % throttle. Tps sweep test ok . Inj pulse seems to drop off when problem occurs, 13ms wide open ,,,14-15ms just before starts to lean out . Unplugging MAF ma...
FIX posted 1/22/2003
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1GCCT19W0V |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Under Load |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
1997 Chevrolet S10 LS
| VIN | 1GCCT19W0V |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Under Load |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
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