Checking Air Leakage After Flap

Checking Air Leakage After Flap







Unplug the connector:
^ EVAP canister purge valve
^ Connect test lamp 86 11 857 to the female connector.







^ Start the engine and run it at idling speed.
^ The engine must be warm.
^ Turn off the A/C.
^ Read value: Airmass Deviation from Calculated (Trionic).
^ State what the diagnostic tool shows:

-15% to -25% Rectifying Air Leakage After the Flap Valve

Other value Changing Components