P0551 Diagnostic Trouble Code Discussion for May 2004
Power Steering Pressure Switch Performance
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| Help Request | Posted | |
| 2000 Dodge Durango 4.7L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1B4HS28N0Y P0551: Power Steering Pressure Switch Circuit Malfunction. O2 sensor full of black soot, non responsive, for the second time in 500 miles. Running full rich. Appears to be seeping oil out of the top of the sensor. Do the 4.7 motors have a problem fouling the O2 sensor? There are no vacuum leaks that we can find. |
May 06, 2004 |
