What does OBD2 code P0103 mean?+
P0103 stands for Mass Air Flow Circuit High Input. MAF sensor signal voltage is higher than expected.
What causes code P0103?+
Open circuit in MAF wiring; Faulty MAF sensor; Short to voltage in signal wire; Damaged air filter housing
How do I fix code P0103?+
Check MAF wiring for open circuit; Replace MAF sensor; Inspect air filter housing for cracks; Check reference voltage at sensor
How much does it cost to fix P0103?+
Estimated repair cost for P0103 is $50–$300.
Is P0103 DIY-friendly?+
Yes — P0103 is generally DIY-friendly with basic tools.