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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Control System - 2.0L (Except HEV)) >> Description & Operation >> OBD-II Review >> OBD-II System Readiness Tests >> Evaporative Emission System Monitoring

Evaporative Emission System Monitoring

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The EVAP. monitoring is a self-test strategy within the ECM or PCM that tests the integrity of the EVAP. system. The complete evaporative system detects a leak or leaks that cumulatively are greater than or equal to a leak caused by a 0.040 inch and 0.020 inch diameter orifice.