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.

Port Fuel Injection

If diagnostic procedures call for replacement of the ECM, first check that the installed PROM or MEM-CAL is the correct part. If it is correct, remove PROM or MEM-CAL from the defective ECM and install it in the new ECM, as the new ECM will not contain a PROM or MEM-CAL. When reconnecting power to the ECM, the ignition switch must be off to prevent internal ECM damage.