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2003
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Regal LS
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Repair and Diagnosis
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Engine Performance
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Engine Control System Self-Diagnostics - 3.8L
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Diagnostic Tests
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DTC P0446: EVAP Vent System Performance
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Conditions For Setting DTC
Conditions For Setting DTC
DTC sets when FTP is less than -10 in. H2O for as long as 30 seconds.