Operation CHARM
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Ford
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1991
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E 150 Van L6-300 4.9L
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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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NA5-NA6
NA5-NA6
*** Updated by TSB #9111B5
EEC-IV Pinpoint Test:
