LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Geo >> 1990 >> Storm Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Clearing Codes
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Clearing Codes

Turn ignition switch to OFF position. Remove 30-amp main fuse from underhood fuse/relay block or disconnect negative battery cable for at least 30 seconds. ECM trouble code memory is now clear. Connect negative battery cable.