Operation CHARM
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Ford
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1991
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E 250 Van V8-302 5.0L
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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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DN - EGR Valve Position Sensor/EGR Vacuum Regulator Solenoid
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DN20 - DN21
DN20 - DN21
EEC-IV Pinpoint Test:
