Checking The Intake System
Check that the hoses and hose connectors between the mass air flow (MAF) sensor and the throttle unit are not leaking or defective.
Check that the boost pressure sensor is correctly mounted. Check for air leakage around the component.
HINT: This diagnostic trouble code can be caused by a damaged mass air flow sensor.
Remedy as necessary.
Other information
- see CHECK FOR AIR LEAKS IN THE INTAKE SYSTEM
- For B5xx4T, see THROTTLE BODY (TB), CLEANING .
- For B6xx4x, see THROTTLE BODY (TB), CLEANING .
- see MASS AIR FLOW (MAF) SENSOR, REPLACING
- Continue
Refer to VERIFICATION