P2099 Diagnostic Trouble Code Discussion for July 2015
Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)
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| Help Request | Posted | |
| 2012 Mini Cooper Countryman S ALL4 1.6L MIL Lamp on VIN: WMWZC5C52C P2099: 2C57 - Boost-pressure control lower value Boost pressure too low. This thing is driving me a little nuts. Car drives fine, going up a long hill it will set BMW/Mini code 2C57 for low boost. When this happens boost (manifold pressure) is 1.8-1.9 bar range. Car is not slow. Occasionally it will also throw 2C91 for the bypass/p... |
July 22, 2015 |
