Operation CHARM
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Ford Truck
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1990
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F 350 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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N - Ignition Diagnostic Monitor (IDM)
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N7 - N8
N7 - N8
Pinpoint Test N7 Thru N8 - Ignition Diagnostic Monitor (IDM):