Hyundai Elantra: Engine Control System / Fuel Tank Pressure Sensor (FTPS) Repair procedures
| 1. |
Connect the GDS on the Data Link Connector (DLC). |
| 2. |
Measure the output voltage of the FTPS.
Specification : Refer to "Specification"
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Remove the rear seat.
(Refer to Body - "Rear Seat Assembly") |
| 3. |
Remove the fuel pump service cover (A). 
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| 4. |
Disconnect the fuel tank pressure sensor connector (A). |
| 5. |
Remove the fuel tank pressure sensor (B) after releasing the hooks vertically. 
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| • |
Install the component with the specified torques. |
| • |
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting. |
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| • |
Insert the sensor in the installation hole and be careful not to damage when installation.
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| 1. |
Installation is reverse of removal. |
Description
Based on information from various sensors, the ECM can
calculate the fuel amount to be injected. The fuel injector is a
solenoid-operated valve and the fuel injection amount is cont ...
Fuel Tank Pressure Sensor (FTPS) Schematic Diagrams
Injector Description and Operation