Checking Mass Air Flow When Under Partial Load

Checking Mass Air Flow When Under Partial Load







- Drive the car in top gear with a steady high engine load.
- Driving uphill is recommended.







- Read value: Airmass Deviation from Calculated (Trionic).
- State what the diagnostic tool shows:

15% to 25% Checking Air Leakage Before Flap
Other value Checking Air Mass Variations