Operation CHARM
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Ford
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1982
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F 100 2WD Pickup L6-300 4.9L VIN 9 1-bbl
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Testing and Inspection
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Steps 4 Through 6
Steps 4 Through 6
Spark Timing, Steps 4 thru 6: