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)
  • Output voltage at curb idle
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
  • Type
Hot film type
Intake air temperature (IAT) sensor
  • Type
  • Resistance
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
  • Type
  • Resistance
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)
  • Type
Zirconia sensor
Vehicle speed sensor
  • Type
Hall IC type
Camshaft position (CMP) sensor
  • Type
Hall effect sensor
Crankshaft position (CKP) sensor
  • Type
Hall effect sensor
Output actuator 
Injector
  • Type
  • Number
  • Coil resistance
Electromagnetic type
6
13~16Ω at 20°C (68°F)
Fuel pressure regulator 
  • Fuel pressure
314~343 kPa (3.20~3.50 kg/cm2 , 45.5~50 psi)
RENDER: 1.0x

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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.