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Tucson 1 (2005-2010) Tucson 2 (2009-2015)
  • Main
  • Tucson
  • JM (2005-2010)
  • Power unit
  • Fuel system (gasoline)
  • Checking the fuel pressure in the system

Checking the fuel pressure in the system (Hyundai Tucson JM)

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1. Remove the rear seat cushion.

2. Open the special cover (A) under the seat cushion.

2. Open the special cover (A) under the…


3. Disconnect the plug (B) from the fuel pump.

3. Disconnect the plug (B) from the…


4. Start the engine and wait until the fuel from the fuel line is used up.

5. After the engine stops, turn the ignition key to the OFF position, then disconnect the negative terminal from the battery.

Note: Before disconnecting the fuel lines, make sure there is no pressure in the fuel line.


6. Disconnect the fuel supply hose from the fuel line.

6. Disconnect the fuel supply hose from…

7. Install a tee between the fuel supply hose and the line.



8. Connect the fitting to the tee.

9. Connect a hose with a pressure gauge to the fitting.

10. Connect the fuel supply hose to the tee.

10. Connect the fuel supply hose to the…

11. Connect the negative terminal to the battery.

12. Apply battery voltage to the fuel pump terminals. Check for fuel leaks at the connection points.

13. Disconnect the negative terminal from the battery.

14. Connect the wiring to the fuel pump.

15. Connect the negative terminal to the battery.

16. Start the engine and check the fuel pressure on the pressure gauge. Normal pressure is 350 kPa.

17. After stopping the engine, check the drop in fuel pressure. The pressure should be maintained for at least 5 minutes.

Note: If pressure does not hold, the fuel line should be checked for leaks.


18. Disconnect the negative terminal from the battery.

19. Disconnect the plug from the fuel pump.

20. Start the engine and wait until the fuel from the fuel line is used up.

21. Disconnect all special equipment. Connect the fuel supply hose to the line.

22. Connect the plug to the fuel pump, then connect the negative terminal to the battery.

23. Start the engine, check the fuel line for leaks.
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
This article has been reviewed by: Konstantin Smirnov
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Tucson 1: Fuel system (gasoline)
Next

Fuel supply system — device
Characteristics of the fuel system of gasoline engines (G4GC, G6BA)
Injector — checking the technical condition
Fuel tank — removal and installation
Fuel pump — removal and installation
Tightening torques
Possible malfunctions and their causes
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Tucson 2 (2009-2015) 
  • General information
  • Faults en route
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  • Security systems
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  • Electrical circuits
Tucson 1 (2005-2010) 
  • General information
  • User manual
  • Maintenance
  • Power unit
  • Gasoline engine G6BA
  • Gasoline engine G4GC
  • Diesel engine D4EA
  • Fuel system (gasoline)
  • Fuel system (diesel)
  • Engine lubrication system
  • Engine cooling system
  • Engine electrical equipment
  • Transmission
  • Clutch
  • Car gearbox
  • Drive shafts and cardan
  • Chassis
  • Car suspension
  • Steering
  • Brake system
  • Body
  • Exterior (external elements)
  • Interior (internal elements)
  • Air conditioning and heater
  • Airbags
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
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