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1997 Ford F-150 Lariat 4.6L MIL Lamp on, oxygen sensor
Hello group. This thing will drive you crazy. Four oxygen sensors. I finally figured out which one it was and changed the oxygen sensor. Still sets the code. I checked the wiring, it was ok. It tries to stay at 0 mV, but when you rev it up, it will go to 7...
FIX posted 1/5/2000
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FTDF18W5V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Oxygen Sensor |
| Occurs | Always |
| Misc. | 4X4 |
Trouble Codes
| 155 | ho2s21 heater ckt fault |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150 Lariat
| VIN | 1FTDF18W5V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Oxygen Sensor |
| Occurs | Always |
| Misc. | 4X4 |
Trouble Codes
| 155 | ho2s21 heater ckt fault |
Video