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Home >> Saturn >> 2003 >> Ion 1 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0446: Evaporative Emission Control System Vent Control Circuit >> Conditions For Setting DTC

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Conditions For Setting DTC

The fuel tank vacuum is more than 12 inch H2O for 1.6 seconds.

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