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Home >> Chevrolet >> 2009 >> TrailBlazer 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - DTC P0366 T0 DTC P2544 >> DTC P2430-P2433 >> Repair Verification

Repair Verification

  1. Engine running, observe that the AIR Pressure Sensor parameter approximately equals BARO.
  2. Engine running, enable the AIR pump with a scan tool and observe that the AIR Pressure Sensor parameter equals approximately 20-25 kPa above BARO.
  3. Engine running, enable the AIR system with a scan tool and observe that the AIR Pressure Sensor parameter equals approximately 8-10 kPa above BARO.
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