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Home >> Chevrolet >> 2017 >> City Express LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L >> Diagnostic Information And Procedures >> DTC P0456 >> Repair Verification

Repair Verification

  1. Seal the system and use the flow meter on the EEST calibrated to 0.51 mm (0.020 in) to determine that there are no leaks in the EVAP system.
  2. Remove any plugs or caps and reconnect the EVAP air filter inlet hose.
  3. Clear DTCs.
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