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Dodge or Ram Truck
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1999
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RAM 3500 Truck 4WD L6-5.9L DSL Turbo VIN 6
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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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Detailed Descriptions
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By P Code Number
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P0168 Decreased Perfor Due to High Injection Pump Fuel Temp
P0168 Decreased Perfor Due to High Injection Pump Fuel Temp
SYMPTOM
P-0168 DECREASED ENGINE PERFORMANCE DUE TO HIGH INJECTION PUMP FUEL TEMP
POSSIBLE CAUSES
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Fuel injection pump module defective
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Overflow valve test failed