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 - I