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Home >> Chevrolet >> 2011 >> Caprice >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0521, P0522, or P0523 >> Circuit/System Verification

Circuit/System Verification

  1. Engine running, observe the scan tool Engine Oil Pressure Sensor parameter. The reading should be between 0.2-4.8 V.
  2. Verify the engine oil pressure, refer to Oil Pressure Diagnosis and Testing (L98, LS2, L76, L77) for the 4.8L, 5.3L, and 6.0L engines.
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