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Home >> Ford >> 2003 >> Excursion 7.3 F, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing - 7.3L Diesel >> Hard Start/No-Start Diagnostic Procedures >> Test 9A: Check VPWR While Cranking >> Purpose

Test 9A: Check VPWR While Cranking: Purpose

This test is performed to verify PCM power-up during cranking. Lack of power to PCM can cause a no-start condition as well as DTC loss.

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