Fuel supply system — general information (Hyundai Elantra J2)

General information [1.6L/1.8L DOHC engine]

Technical specifications

Fuel tank

Capacity - 55 l

Fuel filter

Type - High pressure

Fuel pump

Type - Electric, built-in tank

Throttle body

Throttle Position Sensor (TP)

• Type - Variable resistor
• Resistance - 0.7 - 3.0 kOhm
• Output voltage at idle speed - 0.1 - 0.875 V

Input signal sensor

Manifold Pressure (MAP) Sensor

• Type - Piezoresistor
• Output voltage - 0 - 5 V

Engine Coolant Temperature (ECT) Sensor

Type - Thermistor

Resistance

• 1.0 - 4.0 kOhm - at 20°C
• 0.24 - 0.40 kOhm - at 80°C

Incoming air temperature sensor

Type - Thermistor

Resistance - 2.0 - 3.0 kOhm at 20°C

Oxygen Sensor (HO2S)

Type - Zirconium, heated

Output voltage - 0 - 1 V

Camshaft position sensor (CMP)

• Type - Hall effect
• Output voltage - 0 - 5 V

Crankshaft position sensor (CPS)

Type - Magnetic

Output frequency

• Idle speed - 600 - 1000 Hz
• at 3000 rpm - 2700 - 3300 Hz

Actuators

Nozzle

• Type - Electromagnetic
• Quantity - 4
• Coil resistance - 15.6±0.35 Ohm

Fuel pressure regulator

Adjustable pressure - 300 kPa

Idle Speed Control (ISC)

• Type - Double Coil Motor
• Control frequency - 100 Hz

Standard parameters

Basic speed of rotation of idle stroke - 800±100 rpm

Ignition advance angle, deg

• 7°±5° [1.6 l] - up to TDC
• 10°±5° [1.8 l] - up to TDC

Sealing material

• Engine Coolant Temperature Sensor Assembly - Loctite 962T or equivalent
• Engine Coolant Temperature Sensor Signal Transmitter - Three bond #2310 or equivalent

Tightening torque, Nm

Distribution line mounting bolts	10-15
Fuel Pressure Regulator Bolts	4-6
Oxygen sensor	50-60
Crankshaft Position Sensor Mounting Bolts	4-6
Coolant temperature sensor	15-20
High pressure fuel line and fuel filter	25-35
High pressure fuel line and fuel tank	30-40
Bolts for fastening the throttle body to the receiver	15-20
Fuel tank drain plug	15-25