FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Checking Mass Air Flow When Under Partial Load




Checking Mass Air Flow When Under Partial Load












^ Turn the ignition switch to the ON position.
^ Contact Trionic.
^ Read value: Airmass Deviation from Calculated (Trionic).
^ Drive the car in top gear with a steady high engine load.
^ Driving uphill is recommended.







^ State what the diagnostic tool shows:

-15% to +15% Remedial Action OK

Other value Fault Not Rectified