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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls - 2.0L - DTC P0351 To DTC P2138) >> Diagnostic Information & Procedures >> DTC P0455 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The EVAP system is not able to achieve or maintain vacuum for up to 4 times during the diagnostic test.