The computer sees a fault in the MAF sensor circuit. The driver may notice stalling, weak power or poor idle.
Likely causes, most common first
- Faulty MAF sensor
- Damaged wiring or connector
- Dirty sensor element
- Air leak near the sensor
Parts usually involved
- MAF sensor
- Sensor connector
- Air filter
Test before you replace
Check power, ground and signal at the connector and inspect the air duct.
General guidance for generic OBD2 codes. Always follow the maker's procedure for the car in front of you.