Hyundai Elantra (CN7): Fuel Delivery System / Fuel Pressure Regulator

Repair procedures

Removal
1.
Remove the fuel pump.
(Refer to Fuel Delivery System - "Fuel Pump")
2.
Disconnect the fuel pump motor connector (A) and fuel sender connector (B).

3.
Release the fixing hook (A) and then remove the fuel sender (B).

4.
Remove the fixing clip (A) and then disconnect the fuel feed tube (B).

5.
Remove the fixing clip (A) and then remove the head assembly (B).

6.
Release the fixing hook (A) and then remove the reservoir-cup (B).

7.
Disconnect the fuel pump motor connector (A).
8.
Disconnect the ground cable (B).

9.
Remove the fixing clip (A) and then disconnect the fuel pressure regulator (B).

Installation
1.
Install in the reverse order of removal.

    Repair procedures Removal1.Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump")2.Disconnect the fuel pump motor connector (A) and fuel sender connector (B).

    Repair procedures Removal[Low Fuel Line]1.Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")2.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Start/Stop Button

    Components and components location Component Repair procedures Removal1.Disconnect the negative(-) battery terminal.2.Remove the AVN Head unit.(Refer to Body Electrical System - "AVN(Audio Video Navigation) head unit")3.Loosen the mounting screws and remove the start/stop button (A).

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting

    Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se

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