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Home >> Buick >> 2002 >> Century Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0442: EVAP System - Leak Detected >> Conditions For Setting DTC
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Conditions For Setting DTC

The EVAP system can achieve vacuum, but a vacuum decay is detected during the diagnostic test.

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