P0141 Diagnostic Trouble Code Discussion for April 2015
Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance
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| Help Request | Posted | |
| 2004 Ford Freestar SES 3.9L Misfire VIN: 2FMZA57624 P0141: Rear O2 Sensor HEATER CIRCUIT Bank 1. ... time to drive it. Replaced rear O2 sensors (had 7+ ohms heater readings)with 3.4 ohm (measured) OE sensors and this seems to have cured P0141/P0161. In testing for O2 circuit problem we checked wiring/power/shorts/grounds/PCM switching - all seems fine. ... |
April 22, 2015 |
