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Fuel System - General Information - 2.0L: Specifications Kia Optima III

Fuel System 1 illustration ~320 words

Specifications

Fuel Delivery System

ItemsSpecification
Fuel TankCapacity70 lit. (18.5 U.S.gal., 74.0 U.S.qt., 61.6 lmp.qt.)
Fuel Filter TypeTypePaper type
Fuel PressureLow Pressure Fuel Line495 ~ 505 kPa (5.1 ~ 5.2 kgf/cm 2 , 71.8 ~ 73.2 psi)
High Pressure Fuel Line5.0 ~ 12.0 MPa (51.0 ~ 122.4 kgf/cm 2 , 725.2 ~ 1740.5 psi)
Fuel PumpTypeElectrical, in-tank type
Driven byElectric motor
High Pressure Fuel PumpTypeMechanical type
Driven byCamshaft

ITEM SPECIFICATION CHART

Sensors

Manifold Absolute Pressure Sensor (MAPS) #1

  1. Type: Piezo-resistive pressure sensor type
  2. Specification
Pressure (kPa (kgf/cm 2 , psi))Output Voltage (V)
20.0 (0.20, 2.9)0.79
46.7 (0.47, 6.77)1.84
101.3 (1.03, 14.7)4.0

VOLTAGE SPECIFICATION CHART

Intake Air Temperature Sensor (IATS)

  1. Type: Thermistor type
  2. Specification
TemperatureResistance (kohms)
°C°F
404040.93 ~ 48.35
20413.89 ~ 16.03
0325.38 ~ 6.09
10503.48 ~ 3.90
20682.31 ~ 2.57
401041.08 ~ 1.21
501221.56 ~ 1.74
601400.54 ~ 0.62
801760.29 ~ 0.34

TEMPERATURE AND RESISTANCE REFERENCE CHART

Manifold Absolute Pressure Sensor (MAPS) #2

  1. Type: Piezo-resistive pressure sensor type
  2. Specification
Pressure (kPa (kgf/cm 2 , psi))Output Voltage (V)
20.0 (0.20, 2.9)0.79
46.7 (0.47, 6.77)1.84
101.3 (1.03, 14.7)4.0

VOLTAGE SPECIFICATION CHART

Engine Coolant Temperature Sensor (ECTS)

  1. Type: Thermistor type
  2. Specification
TemperatureResistance (kohms)
°C°F
404048.14
20414.13 ~ 16.83
0325.79
20682.31 ~ 2.59
401041.15
601400.59
801760.32

TEMPERATURE AND RESISTANCE REFERENCE CHART

Throttle Position Sensor (TPS) (integrated into ETC Module)

  1. Type: Variable resistor type
  2. Specification
Throttle Angle (°)Output Voltage (V)
TPS1TPS2
005.0
100.484.52
200.954.05
301.433.57
401.903.10
502.382.62
602.862.14
703.331.67
803.811.19
904.290.71
1004.760.24
1055.00
C.T (6~15°)0.29 ~ 0.714.29 ~ 4.71
W.O.T (93~102°)4.43 ~ 4.860.14 ~ 0.57

VOLTAGE SPECIFICATION CHART

ItemResistance (kohms)
TPS10.875 ~ 1.625 (20°C (68°F))
TPS20.875 ~ 1.625 (20°C (68°F))

RESISTANCE SPECIFICATIONS CHART

Crankshaft Position Sensor (CKPS)

  1. Type: Hall effect type

Camshaft Position Sensor (CMPS)

  1. Type: Hall effect type

Knock Sensor (KS)

  1. Type: Piezo-electricity type
  2. Specification
ItemSpecification
Capacitance (pF)850 ~ 1, 150

ITEM SPECIFICATION CHART

Heated Oxygen Sensor (HO2S) (Bank 1/Sensor 1)

  1. Type: Zirconia (ZrO2) (Linear) Type
  2. Specification
ItemSpecification
Heater Resistance (ohms)2.5 ~ 4.0 (20°C (69.8°F))

ITEM SPECIFICATION CHART

Heated Oxygen Sensor (HO2S) (Bank 1/Sensor 2)

  1. Type: Zirconia (ZrO2) (Binary) Type
  2. Specification
A/F Ratio (lambda)Output Voltage (V)
RICHApprox. 0.9
LEANApprox. 0.04

VOLTAGE SPECIFICATION CHART

ItemSpecification
Heater Resistance (ohms)3.3 ~ 4.1 (21°C (69.8°F))

ITEM SPECIFICATION CHART

Rail Pressure Sensor (RPS)

Scheme 1

Scheme 1
Scheme 1
  1. Type: Piezo-electricity type
  2. Specification

EWGA Position Sensor (integrated into Electric Waste Gate Actuator (EWGA))

  1. Type: Hall effect, NON-Contact type
  2. Specification
PositionOutput Voltage (V)Operating Angle (°)Range of Rod (mm), reference
Mechanical Close end stop Position (MCP)4.800
Electrical Close end stop Position (ECP)4.2121.8
Electrical Open end stop Position (EOP)17916
Mechanical Open end stop Position (MOP)0.59018

VOLTAGE SPECIFICATION CHART

CVVT Oil Temperature Sensor (OTS)

  1. Type: Thermistor type
  2. Specification
Temperature (°C (°F))Resistance (kohms)
40 (-40)52.15
20 (-4)16.52
0 (32)6
20 (68)2.45
40 (104)1.11
60 (140)0.54
80 (176)0.29

TEMPERATURE AND RESISTANCE REFERENCE CHART

Accelerator Position Sensor (APS)

  1. Type: Variable resistor type
  2. Specification
Accelerator PositionOutput Voltage (V)
APS1APS2
C.T0.7 ~ 0.80.29 ~ 0.46
W.O.T3.85 ~ 4.351.93 ~ 2.18

VOLTAGE SPECIFICATION CHART

Fuel Tank Pressure Sensor (FTPS)

  1. Type: Piezo - Resistivity type
  2. Specification
Pressure (kPa (kgf/cm 2 , in H2O)Output Voltage (V)
6.67 (-0.068, -26.8)0.5
02.5
+6.67 (0.068, 26.8)4.5

VOLTAGE SPECIFICATION CHART

Actuators

Injector

  1. Specification
ItemSpecification
Coil Resistance (ohms)1.25 (20°C (68°F))

ITEM SPECIFICATION CHART

ETC Motor (integrated into ETC Module)

  1. Specification
ItemSpecification
Coil Resistance (ohms)1.2 ~ 1.8 (20°C (68°F))

ITEM SPECIFICATION CHART

Purge Control Solenoid Valve (PCSV)

  1. Specification
ItemSpecification
Coil Resistance (ohms)19.0 ~ 22.0 (20°C (68°F))

ITEM SPECIFICATION CHART

CVVT Oil Control Valve (OCV)

  1. Specification
ItemSpecification
Coil Resistance (ohms)6.9 ~ 7.9 (20°C (68°F))

ITEM SPECIFICATION CHART

Fuel Pressure Regulator Valve

  1. Specification
ItemSpecification
Coil Resistance (ohms)0.5 (20°C (68°F))

ITEM SPECIFICATION CHART

EWGA DC Motor (integrated into Electric Waste Gate Actuator (EWGA))

  1. Specification
ItemSpecification
Coil Resistance (ohms)1.48 ~ 1.96 (21°C (69.8°F))

ITEM SPECIFICATION CHART

Ignition Coil

  1. Type: Stick type
  2. Specification
ItemSpecification
Primary Coil Resistance (ohms)0.62 ± 10% (20°C (68°F))
Secondary Coil Resistance (kohms)7.0 ± 15% (20°C (68°F))

ITEM SPECIFICATION CHART

RCV Control Solenoid Valve

  1. Specification
ItemSpecification
Coil Resistance (ohms)28.3 ~ 31.1 (20°C (68°F))

ITEM SPECIFICATION CHART

Canister Close Valve (CCV)

  1. Specification
ItemSpecification
Coil Resistance (ohms)19.8 ~ 21.8 (20°C (68°F))

ITEM SPECIFICATION CHART

Tightening Torques

Engine Control System

ItemKgf.mN.m
ECM installation bolt1.0 ~ 1.29.8 ~ 11.8
ECM bracket installation bolt/nut1.0 ~ 1.29.8 ~ 11.8
Manifold absolute pressure sensor #1 installation bolt1.0 ~ 1.29.8 ~ 11.8
Manifold absolute pressure sensor #2 installation bolt1.0 ~ 1.29.8 ~ 11.8
Crankshaft position sensor installation bolt1.0 ~ 1.29.8 ~ 11.8
Crankshaft position sensor cover installation bolt (M6)1.0 ~ 1.29.8 ~ 11.8
Crankshaft position sensor cover installation bolt (M8)1.9 ~ 2.418.6 ~ 23.5
Camshaft position sensor (Bank 1 / Intake) installation bolt1.0 ~ 1.29.8 ~ 11.8
Camshaft position sensor (Bank 1 / Exhaust) installation bolt1.0 ~ 1.29.8 ~ 11.8
Knock sensor installation bolt1.9 ~ 2.418.6 ~ 23.5
Heated oxygen sensor (Bank 1 / sensor 1) installation4.0 ~ 5.039.2 ~ 49.1
Heated oxygen sensor (Bank 1 / sensor 2) installation3.6 ~ 4.635 ~ 45
Rail pressure sensor installation1.8 ~ 2.218.0 ~ 22.0
Electronic throttle body installation bolt1.0 ~ 1.29.8 ~ 11.8
Purge control solenoid valve bracket installation bolt1.0 ~ 1.29.8 ~ 11.8
CVVT oil control valve (Bank 1 / Intake) installation bolt1.0 ~ 1.29.8 ~ 11.8
CVVT oil control valve (Bank 1 / Exhaust) installation bolt1.0 ~ 1.29.8 ~ 11.8
Ignition coil installation bolt1.0 ~ 1.29.8 ~ 11.8
RCV control solenoid valve bracket installation bolt0.8 ~ 1.27.8 ~ 11.8
CVVT oil temperature sensor installation2.0 ~ 4.019.6 ~ 39.2

TIGHTENING TORQUES SPECIFICATION CHART

Fuel Delivery System

ItemKgf.mN.m
Fuel tank installation nut4.0 ~ 5.539.2 ~ 54.0
Fuel pump plate cover installation bolt0.2 ~ 0.32.0 ~ 2.9
Filler-neck assembly bracket installation bolt0.4 ~ 0.63.9 ~ 5.9
Filler-neck assembly installation screw0.8 ~ 1.27.8 ~ 11.8
Accelerator pedal module installation nut1.0 ~ 1.59.8 ~ 14.7
Accelerator pedal module installation bolt0.9 ~ 1.48.8 ~ 13.7
Delivery pipe installation bolt1.9 ~ 2.418.6 ~ 23.5
High pressure fuel pump installation bolt1.3 ~ 1.512.8 ~ 14.7
High pressure fuel pipe installation nut2.7 ~ 3.326.5 ~ 32.4
High pressure fuel pipe function block installation bolt1.0 ~ 1.29.8 ~ 11.8

TIGHTENING TORQUES SPECIFICATION CHART

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