Hyundai Sonata LF: Evaporative Emission Control System / Canister Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Evaporative Emission Control System / Canister Repair procedures

Removal

1.	Turn the ignition switch OFF and disconnect the negative (-) battery cable.

2.	Remove the fuel tank. (Refer to Engine Control / Fuel System - " Fuel Tank")

3.	Disconnect the vent hose (A).

4.	Disconnect the vapor tube quick-connector (B,C).

5.	Remove installation bolts (A) and then remove the canister assembly.

Inspection

Check for the following items visually.

A.	Cracks or leakage of the canister

B.	Loose connection, distortion, or damage of the vapor hose/tube

A: Canister - Atmosphere

B: Canister - Fuel Tank

C: Canister - Intake Manifold

Installation

1.	Install in the reverse order of removal.

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...

Fuel Filler Cap Description and Operation

Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Description and Operation

Description The fuel pressure sensor (FPS) is installed on the top of the low pressure fuel pump and measures the pressure in the low pressure fuel line. Based on the fuel pressure measured by the FPS and the amount of fuel consumed, the fuel pump control module (FPCM) determines whether to activate the low pressure fuel pump...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures