Operation CHARM
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Ford Truck
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1998
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Econoline E250 3/4 Ton V8-5.4L CNG VIN M
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Pinpoint Tests
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HC - Fuel Delivery System
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Test Notes
Test Notes
Enter this pinpoint test only when directed here.
This pinpoint test is intended to diagnose the following:
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Chassis Components
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Fuel Return
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Engine Vacuum
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Fuel Supply
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Fuel Pressure
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Fuel Injector
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Fuel Filter