Mercury 305 CID - Page 640

ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5E-9990-823225--1 1096
Code 51: Calibration Memory Failure (Non-Scan)
(2 of 2)
• IGNITION “ON.”
• USING CLEAR CODE PROCEDURE, CLEAR CODES.
DOES CODE 51 RESET?
1
REPLACE ECM AND VERIFY CODE DOES NOT RESET. FAULT IS NOT PRESENT AT THIS TIME.
REFER TO “DIAGNOSTIC AIDS” ON
FACING PAGE.
YES NO