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Clearing Continuous Memory Codes

WARNING: This page is about a different car, the 1987 Mercury Lynx, 1987 Ford Escort EXP, and 1987 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.

Perform KEY ON/ENGINE OFF (KOEO) SELF-TEST  . When the first service code appears, exit SELF-TEST by disconnecting diagnostic tester or by removing jumper wire from Self-Test Input (STI) pigtail. Exiting QUICK TEST  in this manner will clear all codes stored in continuous memory.