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Home >> Chevrolet >> 2007 >> Impala LS, 3.5 K >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.5L - DTC P0010 To DTC P0411 >> DTC P0411 >> Circuit/System Verification
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Circuit/System Verification

  1. If any other AIR DTCs are set, perform those diagnostics first.
  2. Engine running, observe that the AIR Pressure Sensor parameter approximately equals barometric pressure (BARO).
  3. Engine running, enable the AIR pump with a scan tool and observe that the AIR Pressure Sensor parameter equals approximately 15-20 kPa above BARO.
  4. Engine running, enable the AIR solenoid with a scan tool and observe that the AIR Pressure Sensor parameter equals approximately 8-10 kPa above BARO.
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