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Home >> Ford >> 2003 >> Excursion 5.4 L, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - System & Component Testing - 7.3L Diesel) >> Hard Start/No-Start Diagnostic Procedures >> Test 9A: Check VPWR While Cranking >> Possible Causes
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Possible Causes

WARNING: This page is about a different variant/trim than selected.
NOTE: Battery voltage less than 9.5 volts can cause scan tool to reset. If scan tool resets during a self-test or while PID monitoring, it may be necessary to install a battery charger to maintain correct voltage.
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