Operation CHARM
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Ford Truck
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1993
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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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Testing and Inspection
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Pinpoint Tests
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M - Dynamic Response Test
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M1 - Service Code 77/538: System Failed to Recognize Brief WOT
M1 - Service Code 77/538: System Failed to Recognize Brief WOT
Pinpoint Test M1:
