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Mercury Truck
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2008
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Mountaineer RWD V8-4.6L
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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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P Code Charts
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P0503
P0503
P0503 - Vehicle Speed Sensor (VSS) A Intermittent/Erratic/High (Part 1):
P0503 - Vehicle Speed Sensor (VSS) A Intermittent/Erratic/High (Part 2):
