Hyundai Elantra CN7 Quiz

Evaporative Emission Control System

In this manual: Evaporative Emission Control System
Repair and Maintenance Manual for Hyundai Elantra — 0General Information — 0Engine - Mechanical (DOHC 1.8L/2.0L) — 0Engine - Mechanical (DOHC 1.6L) — 0Engine Electrical Equipment — 0Emission Control System — 0Fuel system — 0Clutch — 0Transmission — 0Wheel Drive Shaft and Axle — 0Suspension — 0Steering — 0
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EVAPORATIVE EMISSION CONTROL SYSTEM


EVAPORATIVE EMISSION CONTROL SYSTEM INSPECTION

INSPECTION

1. Disconnect the vacuum hose from the throttle body and connect a hand-operated vacuum pump to the vacuum hose.

2. Check the vacuum at the specified engine conditions, when the engine is cold (coolant temperature 60 °C (140 °F) or below) and when the engine is warm (coolant temperature 80 °C (176 °F) or above).

WHEN ENGINE IS COLD

Engine Condition Vacuum Applied Normal Condition
Idle 50 kPa Vacuum is maintained
3000 rpm

WHEN ENGINE IS WARM

Engine Condition Vacuum Applied Result
Idle 50 kPa Vacuum is maintained
Within approximately 3 minutes after the engine speed reaches 3000 rpm. Attempt to apply vacuum Vacuum decreases
3 minutes after the engine speed reaches 3000 rpm 50 kPa Vacuum will be held momentarily, then decrease again.

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