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.
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HOMESERVICE MANUALSHYUNDAI2003SANTA FE LX, 3.5 E, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSFUEL SYSTEM (3.5L)GENERALSPECIFICATION
2003 Hyundai Santa Fe LX, 3.5 E, AWD
Fuel System (3.5L): General: Specification
2003 Hyundai Santa Fe LX, 3.5 E, AWDSECTION Specification
General Specification
| Fuel tank Capacity |
72 lit. (19.05 U.S.gal., 15.84 Imp. gal.) |
| Fuel filter Type |
High pressure type |
| Fuel pump Type |
Electrical, in-tank type |
| Driven by | Electric motor |
| Throttle body Throttle Position Sensor (TPS)
|
0.5~1.0V (TPS1-ETS) 4~4.5V (TPS2-ECM) |
| Output voltage at WOT | 4.2~4.8V (TPS1-ETS) 0.2~1.8V (TPS2-ECM) |
| Idle Speed Control (ISC) motor | Controlled by ETC system |
| Idle position switch | Contact type (Built in APS) |
| Input sensor Mass air flow sensor
|
Hot film type |
Intake air temperature (IAT) sensor
|
Thermistor type 2.33~2.97 kΩ or 2.5~2.7V at 20°C (68°F) 0.31~0.43 kΩ or 0.6~0.8V at 80°C (176°F) |
Engine coolant temperature (ECT) sensor
|
Thermistor type 2.4 kΩ or 2.5~2.7V at 20°C (68°F) 0.3 kΩ or 0.5~0.7V at 80°C (176°F) |
Heated oxygen sensor (HO2S)
|
Zirconia sensor |
Vehicle speed sensor
|
Hall IC type |
Camshaft position (CMP) sensor
|
Hall effect sensor |
Crankshaft position (CKP) sensor
|
Hall effect sensor |
| Output actuator Injector
|
Electromagnetic type 6 13~16Ω at 20°C (68°F) |
Fuel pressure regulator
|
314~343 kPa (3.20~3.50 kg/cm2 , 45.5~50 psi) |
RENDER: 1.0x
NO RELATED
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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.