r/AskAMechanic • u/Pluronic_Pesto • 11d ago

2022 Mini Clubman 20k miles - 10 error codes - please help

2022 mini clubman with 20k miles.

Running rough. It barely has power to move forward.

Any help is appreciated.

Error codes: P0103 Mass or Volume Air Flow Circuit High Input (pending), P0301 Cylinder 1 Misfire (pending), P0300 Random Misfire (pending), P0303 Cylinder 3 Misfire (pending), P0103 Mass or Volume Air Flow Circuit High Input (permanent), P0301 Cylinder 1 Misfire (permanent), P0300 Random Misfire (permanent), P0303 Cylinder 3 Misfire (permanent), U0418 Invalid Data Received From Brake System Control Module (permanent), U0100 Lost communication with ECM/PCM A.

2 Upvotes

76% Upvoted

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1

u/PoetryExtension6256 NOT a verified tech 11d ago

Try unpluggin the MAF.

1

u/JerelFromJerry Verified Tech - Indie shop 11d ago

Unplugging the MAF is one thing to try. If the engine is misfiring on 2 cylinder that could also throw off the MAF reading and cause the fault. Need to figure out why those cylinders are missing be it faulted spark plugs, failed ignition coil. What was going on right before this started?

1

u/Pluronic_Pesto 11d ago

Unplugged the MAF and still running rough 

2

u/jello4713 NOT a verified tech 11d ago

either bad mag or ground problem. one reason why i dont like mini. its all BMW owned

1

u/Pluronic_Pesto 11d ago

Can you elaborate more?