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Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gages >> Diagnostic Information and Procedures >> DTC P0521 >> Circuit/System Testing

Circuit/System Testing

Ignition ON and the engine idling, verify the scan tool Engine Oil Pressure Sensor parameter is within 0.7-2.8 V.