Hyundai Kona: Evaporative Emission Control System / Repair procedures

Inspection
[System Inspection]
1.
Disconnect the vapor hose from the intake manifold and connect a vacuum pump to the nipple on the intake manifold.
At Cold Engine [Engine Coolant Temperature < 60°C (140°F)]
Engin Operating Condition
Applied Vacuum
Result
Idle
Min. 20 inHg
(Min. 0.7 kgf/cm², Min. 67.7 kPa)
Vacuum is held
3,000 rpm

2.
Check the following points with applied vacuum at the purge control solenoid valve (PCSV).
At Warmed Engine [Engine Coolant Temperature > 80°C (176°F)]
Engin Operating Condition
Applied Vacuum
Result
Idle
Min. 20 inHg
(Min. 0.7 kgf/cm², Min. 67.7 kPa)
Vacuum is held
Within 3 minutes after engine start at 3,000 rpm
Try to apply Vacuum
Vacuum is released
In 3 minutes after engine start at 3,000 rpm
Min. 20 inHg
(Min. 0.7 kgf/cm², Min. 67.7 kPa)
Vacuum will be held momentarily, after which, it will be released

[PCSV Inspection]
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Disconnect the PCSV connector (A).
3.
Disconnect the vapor hose (B) which is connected to the intake manifold from the PCSV.

4.
After connecting a vacuum pump to the nipple, apply vacuum.
5.
With the PCSV control line grounded, check the valve operation with battery voltage applied to the PCSV (Open) and removed (Closed).
Battery Voltage
Valve
Vacuum
Connected
Open
Released
Disconnected
Close
Maintained

6.
Measure the coil resistance of the PCSV.
Specifications :
22.0 - 26.0Ω [20°C (68°F)]
[EVAP. Leakage Test]
1.
Select "Evap. Leakage Test".

2.
Proceed with the test according to the screen introductions.

Schematic diagrams
Schematic Diagram Canister The Canister is filled with charcoal and absorbs evaporated fuel vapor from the fuel tank. The gathered fuel vapor in canister is drawn into the i ...

Canister Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Lift the vehicle. 3. Dis ...

Other information:

Hyundai Kona (OS) 2018-2021 Service Manual: Repair procedures
Removal 1. Remove the front bumper cover. (Refer to Body - "Front Bumper Cover") 2. Remove the horn (A) after loosening the mounting the bolt. Installation 1. Install the ...

Hyundai Kona (OS) 2018-2021 Owners Manual: If the engine will not start
If the engine doesn't turn over or turns over slowly Be sure the shift lever is in N (Neutral) or P (Park) if it is dual clutch transmission vehicle. The engine starts only when the shift lever is in N (Neutral) or P (Park). Check the battery connections to be sure they are clean and tight. ...

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