Engine Controls And Fuel Systems Comprehensive Guide for Ford Vehicle
Engine Controls And Fuel Systems Comprehensive Guide for Ford Vehicle
The Ignition Lock Cylinder: This cylinder looks and functions like a conventional lock cylinder, except for a set of contacts for the resistor pellet, and a pair of leads which connect to the vehicle’s wiring harness. Another method in diagnosing this system is by checking the voltage from the Decoder Module to the lock cylinder. Normally the Decoder Module output is approximately 5 volts. GM 6.5L DIESEL ENG.-NO START.
This tip applies to the 1994 and newer version that has the computer controlled diesel fuel injection system. The starting system should be fully operational. Also, make sure the “Service Engine Soon” light is operational. FORD- IDM FAULT CODES AFTER MODULE REPLACEMENT. If you run across a Ford vehicle that has an IDM (Ignition Diagnostic Monitor) fault code, this tip may be helpful.
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