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Home >> Mitsubishi >> 2003 >> Lancer Evolution >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.0L Turbo >> Diagnostic Tests >> DTC P0551: Power Steering Pressure Sensor Circuit Range/Performance >> DTC Set Conditions
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DTC Set Conditions

Check conditions are when engine coolant temperature is more than 86°F (30°C), drive for 4 seconds or more with the vehicle speed at 31 MPH (50 KM/H) or more and stop vehicle, vehicle speed is 0.93 MPH (1.5 KM/H) or less. Repeat 10 times or more. Judgment criteria is when power steering pressure switch continues to be ON.