F 350 2WD Pickup V8-7.3L DSL (1988)
Vane Airflow Sensor (VAF)
Vane Airflow Sensor
(VAF)
Pinpoint
Test DK
You should enter this Pinpoint Test only when a Service Code 26, 56, 66 or 76 is received in Quick Test Step 3.0, 5.0, or 6.0.
Remember
To prevent the replacement of good components, be aware that the following non-EEC areas may be at fault:
^
Check for unmetered air (air leaks) between VAF meter and throttle body.
^
Vacuum leaks.
^
Engine sealing (PCV sealing, CANP, valve cover seal dipstick seated).
