Checking Mass Air Flow When Idling

Checking Mass Air Flow When Idling

















Unplug the connector:
- EVAP canister purge valve (321)
- Connect a test lamp to the female connector.
- Start the engine and run It at idling speed.
- Turn off the A/C.
- Read value: Airmass Deviation from Calculated (Trionic).
- State what the diagnostic tool shows:

-15% to -15%

Other Value