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1994 Ford Taurus 3.0L Excessive Emissions, Hesitation, Surge, MIL Lamp on
This vehicle exhibited part-throttle hesitation and surge, as well as MIL illumination. The code 177 was a Continous Memory Code, while the 172 was generated during a KOEO self test. To repair this vehicle a new rear HO2S was installed. The problem with...
FIX posted 1/15/1999
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 3.0 L / 6 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Hesitation, Surge, MIL Lamp On |
| Occurs | Hot, on Accel, Cruise |
Trouble Codes
| 172 | Lack of Heated Oxygen Sensor HO2S-1 switches indicates lean Bank 1 |
| 177 | Lack of Heated Oxygen Sensor HO2S-2 switches indicates rich Bank 2 |
Message Closed w/FIX
Vehicle Data
1994 Ford Taurus
| VIN | [No VIN Available] |
| Engine | 3.0 L / 6 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Hesitation, Surge, MIL Lamp On |
| Occurs | Hot, on Accel, Cruise |
Trouble Codes
| 172 | Lack of Heated Oxygen Sensor HO2S-1 switches indicates lean Bank 1 |
| 177 | Lack of Heated Oxygen Sensor HO2S-2 switches indicates rich Bank 2 |
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