Is the car stock or any mods such as intake? P0102 DTC means MAF sensor low frequency. Possible causes are blockage at intake screen, vacuum leak at the intake manifold or throttle body, EGR valve flange leak. Also a defective or improperly sealed PCV valve. Try cleaning the throttle body.

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i found that online

have you tried putting in a new MAF? sometimes these things just go bad.