Continuous Memory Codes
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1988 Ford Ranger, 1988 Ford RV Cutaway, 1988 Ford Pickup, 1988 Ford F-Super Duty, and 1988 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
These codes are issued as a result of information stored during CONTINUOUS SELF-TEST. These codes are displayed during a KOEO SELF-TEST after the separator pulse code. These codes should be used for diagnosis, ONLY when KOEO and ENGINE RUNNING SELF-TESTS result in code 11 and all QUICK TEST steps have been successfully completed.
NOTE:
If engine will not start, starts but stalls, idles rough or runs rough, go through KEY ON/ENGINE OFF (KOEO) SELF-TEST
. If any of the above conditions are still present after a code 11 in the KOEO SELF-TEST, go to TEST A1
for a no start condition. If engine stalls or runs rough, go to DIAGNOSIS BY SYMPTOM TEST
charts.
NOTE:
Correct test results for system are dependent on the correct operation of several related non-EEC components and systems. It may be necessary to correct faults in these areas before EEC-IV will pass QUICK TEST. Verify that vehicle has been properly prepared. See PREPARATION
and EQUIPMENT HOOK-UP
. Turn ignition on to start SELF-TEST. DO NOT
depress throttle during test. Observe and record all service codes.