Diesel Data
: Automotive Repair
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Ford Truck
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1983
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Bronco L6-300 4.9L VIN Y 1-bbl
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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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 21 Through 23
Steps 21 Through 23
Spark Timing, Steps 21 thru 23: