Hyundai Elantra (CN7): Fuel Delivery System / Release residual pressure in fuel line
| Release Residual Pressure in Fuel Line |
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| 1. | Turn the ignition switch OFF and disconnect the battery (-) cable. |
| 2. | Remove the fuel pump fuse (A).
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| 3. | Connect the battery (-) cable. |
| 4. | Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own. |
| 5. | Disconnect the battery (-) cable, and then install the fuel pump fuse. |
| 6. | Connect the battery (-) cable. |
| 7. | Delete the Diagnostic Trouble Code (DTC) related the fuel pump fuse with the diagnostic tool.
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Fuel Pressure Test1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") • When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur.
Repair procedures Removal1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")2.Turn ignition switch OFF and disconnect the negative (-) battery cable.
Other information:
Hyundai Elantra (CN7) 2021-2025 Service Manual: Photo Sensor
Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to
Hyundai Elantra (CN7) 2021-2025 Service Manual: Temperature Control Actuator
Description and operation DescriptionThe temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch.
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