P2271 Diagnostic Trouble Code Discussion for May 2017
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Rich
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| Help Request | Posted | |
| 2014 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE2EL9E P2271: rich. ... months back with a check engine light on for bank 1 sensor 1 02 - then misfires - and now power issues and dyeing issues. So both front 02 sensors are new - BG inj service done - plugs and boots were ( original ) new cats - stopped up ( bad ) ran smoke mac... |
May 25, 2017 |
