MAP - Mass or Volume Air Flow Correlation Bank 2
The expected relationship between manifold absolute pressure (MAP) and mass airflow (MAF) on bank 2 is violated. One of the two sensors is reading incorrectly.
Affected components
- Map sensor
- Mass air flow sensor
Common causes
- High likelihood: MAF sensor contaminated
- High likelihood: Intake or vacuum leak
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Related codes
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.