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Re: 1994 Ford F-150 5.0L EOD4/ IDM problem w/ code 212
Posted to Technical Discussion Forum on 12/1/2002 3 Replies

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Your right, heres just a sample of what is available.

Ignition Diagnostic Monitor

The Ignition Diagnostic Monitor (IDM) signal is an input into the PCM. This signal is the voltage from the

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