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) 2021-2026 Service Manual: Evaporator Temperature Sensor
Description and operation DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).
Hyundai Elantra (CN7) 2021-2026 Service Manual: Components and components location
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