R56 How to diagnose code P0078
How to diagnose code P0078
Hey guys, my vehicle is a 2012 S 1.6L 6sp 90k miles, i would like to tackle it before spending the big $ at the mechanic, I have a autel al519 that reads live data, how would i go about diagnosing this code, dont want to go straight for for high pressure fuel pump if not needed.
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