P2273 Diagnostic Trouble Code Discussion for May 2020
Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Biased Rich
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| Help Request | Posted | |
| 2009 Ford Expedition EL XLT 5.4L Poor Idle Quality VIN: 1FMFK15519 P2273: O2 sensor stuck rich B2S2. Hello! I need all your help on this before I go too crazy and on the wrong path. This is what is doing: Has no power at all. It idles so low and rough that it almost seems to die out but it does not. Unable to hold the idle at 1000-2500 rpms. It will ... |
May 11, 2020 |
