Operation CHARM
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Ford Truck
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2004
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E 250 V8-5.4L CNG VIN M
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Pinpoint Tests
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Tests QB: DTCs P0603 or P1633: Keep Alive Power
Tests QB: DTCs P0603 or P1633: Keep Alive Power
PINPOINT TEST QB: DTCs P0603 OR P1633: KEEP ALIVE POWER
QB Introduction:
QB1 - QB2:
QB3 - QB4: