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Hyundai Tucson: Evaporative Emission Control System - Removal

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Emission Control Syste / Evaporative Emission Control System / Evaporative Emission Control System - Removal

Removal

WARNING

Be careful not to damage the parts located under the vehicle (floor under cover, canister, fuel tank) when raising the vehicle using the lift.

(Refer to General Information - "Lift and Support Points")

Turn the ignition switch OFF and disconnect the battery (-) terminal.
Remove the floor under cover (A).

Tightening Torque : 7.9 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

Separate the ventilation hose (A).

Disconnect the vapor hose quick-connector (A).

Remove the canister (A) after loosening the mounting nuts.

Tightening Torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.7 lb-ft)

Evaporative Emission Control System- Installation

Install in the reverse order of removal. Inspection Check for the following items visually. Cracks or leakage of the canister Loose connection, distortion, or damage of the vapor hose/tube Canister→ Atmosphere Canister →

Exhaust Emission Control System

Exhaust Emission Control System - Description

Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, intake manifold, camshaft and ignition system consist the basic

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Rail Pressure Sensor (RPS)

Description Installed on the delivery pipe, the Rail Pressure Sensor (RPS) measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal.

Operating door locks from outside the vehicle

Mechanical key Pull out the door handle. Press the release button (1) located inside the bottom part of the cover with a mechanical key or flat-head screwdriver. Carefully pull outward on the cover while continuing to press the re