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2001 GMC Sonoma SL 2.2L MIL Lamp on
Vehicle came in with P0178 P0179. Ran trouble tree and came down to replacement of FCS sensor approx 600 coco's. The code P0178 resets hard after 15 secs which is consistant with diagnostic tree info (12.5 secs.) I Have ingition feed, 5 volt, and ground at all...
FIX posted 10/22/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GTCS14591 |
| Engine | 2.2 L / 4 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | Flex Fuel |
Trouble Codes
| P0178 | Flexible Fuel Sensor Signal Circuit Low Voltage |
| P0179 | Flexible Fuel Sensor Signal Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
2001 GMC Sonoma SL
| VIN | 1GTCS14591 |
| Engine | 2.2 L / 4 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | Flex Fuel |
Trouble Codes
| P0178 | Flexible Fuel Sensor Signal Circuit Low Voltage |
| P0179 | Flexible Fuel Sensor Signal Circuit High Voltage |
Video