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Failure mode - Ford 7.3L Power Stroke (T444E)

IDM (injector driver module) failure

Reliability tier: verified - verify before ordering, see /disclosure/

Symptoms

Root cause

The fender-mounted IDM drives the HEUI injectors; internal solder/age faults and water intrusion at the connector drop injectors. Less common than CPS/UVCH but always on the 7.3 checklist.

Diagnosis

Fixes

replace the IDM (rebuilt units common; verify the variant fits the era) ()

Prevalence

occasional

Affected configurations (50)