KOEO Injector Electrical Self-Test (Buzz Test)

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1996 Ford RV Cutaway, 1996 Ford Pickup, 1996 Ford F-Super Duty, 1996 Ford Econoline, and 1996 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition off. Ensure test equipment is properly attached. Program scan tool using the following steps:

Select VEHICLE & ENGINE SELECTION menu.
Select NEW VEHICLE, YEAR & MODEL.
Select DIAGNOSTIC DATA LINK.
Select PCM - POWERTRAIN CONTROL MODULE.
Select DIAGNOSTIC TEST MODE.
Select KOEO INJECTOR ELECTRICAL SELF-TEST.
Turn ignition on.
Follow operating instructions from scan tool menu.
After test, cycle ignition off before running other tests or driving vehicle.

NOTE: If unable to perform KOEO INJECTOR ELECTRICAL SELF-TEST (BUZZ TEST), no DTCs are present and engine does not start, disconnect IDM and check injector high or low side circuits for shorts or opens. Go to TEST AB, step 29).