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1992
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F 150 4WD Pickup V8-351 5.8L
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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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NA - TFI Ignition Diagnostic Monitor
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NA4 - Check IDM Circuit For Shorts to Power (Excluding VREF)
NA4 - Check IDM Circuit For Shorts to Power (Excluding VREF)
Pinpoint Test NA4: