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P0551 Diagnostic Trouble Code Discussion for June 2007

Power Steering Pressure Switch Performance

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Trouble Ticket Help Requests for DTC P0551
Help Request Posted
2000 Dodge Durango 4.7L Excessive Emissions, Poor Fuel Economy, MIL Lamp on, black exhaust VIN: 1B4HS28N1Y
P0551: Power Steering Pressure Switch Circuit Malfunction. Customer brought truck in - said blows black smoke on acceleration, gets poor fuel economy (8mpg), and has MIL light. codes were as above stated- po171 and po551. The engine was running lean and the p/s switch was leaking.I researched and found that the pwr st...
June 14, 2007