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Ford Truck
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2010
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Explorer Sport Trac 4WD V6-4.0L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Diagnostic Trouble Code Descriptions
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P Codes
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P0721
P0721
P0721 - Output Shaft Speed (OSS) Sensor Circuit Range/Performance:
