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H2 4D Utility Wagon
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DTC P0521
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Circuit/System Testing
Circuit/System Testing
Engine ON, transmission in park, vary the engine speed by 500 RPM.
Verify the scan tool Engine Oil Pressure Sensor parameter display changes by more than 34.5 kPa (5 psi).
If less than 34.5 kPa (5 psi), replace the EOP sensor.