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1999 Mercury Villager Estate 3.3L MIL Lamp on
I replaced the rear 02 sensor and of course the problem is still there. Scan tool reads a constant .300 volts, even after 10 minutes of driving. Power to the heater circuit is good, but at no time will the computer ground the heater. Tested front 02 sensor and...
FIX posted 1/2/2008
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Message Closed w/FIX
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7 Replies Received
7 Replies Received
Related Documents & Media | VIN | 4M2XV11T9X |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
| P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response |
Message Closed w/FIX
Vehicle Data
1999 Mercury Villager Estate
| VIN | 4M2XV11T9X |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
| P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response |
Video