Checking the Air Mass Limiter

Checking The Air Mass Limiter







- Drive the car at wide open throttle. With a manual gearbox, engage 2nd gear or higher.
- Driving uphill is recommended.
- Obtain the following readouts with the diagnostic tool:







Max Engine Torque
Manual Transmission
Automatic Transmission (Bus from TCM)
- Specify whether any air mass limitation is active.

One Checking the Fuel Supply
None Continue with Checking The Air Mass Limiter


- Obtain the following readout with the diagnostic tool:







Knock Control

Is knock control active?

NO - Checking the Fuel Supply

YES - Checking Engine Torque