Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Repair Procedures: Inspection
- Connect the KDS/GDS to the vehicle's data link connector (DLC).
- Check any DTCs and if exist, repair according to the DTC guide.
- Check the power supply voltage provided to the fuel pressure sensor (FPS).
Specification: 5V
- Check the voltage provided to the fuel pressure sensor (FPS) at idle.
Specification: 1.9 - 3.2 V
- Check the fuel pressure in the low fuel line.
(Refer to Fuel Delivery System - "FUEL PRESSURE TEST ")
Items Specification start Max. 600 KPa (Max. 6.1 kgf/cm2 , Max. 87.0 psi) in operation 350 - 500 KPa (3.5 - 5.1 kgf/cm2 , 50.7 - 72.5 psi)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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