Mass or Volume Air Flow Sensor B Circuit
Generic electrical fault on MAF sensor B (second sensor for redundancy or twin-intake systems).
Affected components
- Mass air flow sensor b
- Sensor wiring
Common causes
- High likelihood: Sensor failed
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.