Service engine soon P0031
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I also have a 03 mini cooper base model and have this code popping up. P0031. Oddly my check engine light only turns on when my car comes to temp and only in the winter. I live in Colorado where they add a additive to the fuel to keep it from freezing.... Not like good ol Arizona. I've heard this additive will change the temp of the vehicle. Anyone know if this is true? And is this a reason why this code is popping up??
Thanks for your time
Phil
Thanks for your time
Phil
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