KOEO Self-Test

WARNING: This page is about a different car, the 1995 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Ensure engine is warmed to normal operating temperature. If engine does not start (or stalls after starting), continue KOEO SELF-TEST. Turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tester using the following steps:

Select vehicle and engine selection menu. See Figure .
Select year, engine, model and any additional information requested by scan tester.
Select DIAGNOSTIC DATA LINK.
Select PCM - POWERTRAIN CTRL MODULE.
Select DIAGNOSTIC TEST MODE.
Select KOEO ON-DEMAND SELF-TEST.
Turn ignition on.
Follow operating instructions from scan tester menu.