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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1791 (Engine Controls - Diagnostic Subroutines -- Diesel 6.0L (99P E-Series & 99P F450/550)) >> Hard Start/No Start Diagnostic Procedures >> 10a. Check VPWR During Cranking >> Possible Causes:

Possible Causes:

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refer to PINPOINT TEST A - VEHICLE BATTERY to diagnose a voltage concern.

NOTE: Battery voltage below 9.5 volts causes the scan tool to reset. If the scan tool resets during a self-test or while PID monitoring, it may be necessary to install a battery charger to maintain correct system voltage.
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