Checking Mass Air Flow When Under Partial Load

Checking Mass Air Flow When Under Partial Load

















^ Turn the ignition switch to the OFF position.

Plug in the connector:
EVAP canister purge valve
^ 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 -15% Checking Air Leakage Before Flap

Other value Checking the Fuel Supply