Kia Optima: Specifications - Engine Control/Fuel SystemKia Optima: Specifications

Specifications
Fuel Delivery System
Items
Specification
Fuel Tank
Capacity
65 lit. (17.2 U.S.gal., 68.7 U.S.qt., 57.2 Imp.qt.)
Fuel Filter
Type
Paper type
Fuel Pressure Regulator
Regulated Fuel Pressure
333 ~ 353 kPa (3.4 ~ 3.6 kgf/cm?, 48.3 ~ 51.2 psi)
Fuel Pump
Type
Electrical, in-tank type
Driven by
Electric motor

Sensors
Manifold Absolute Pressure Sensor (MAPS)
? Type: Piezo-resistive pressure sensor type
? Specification
Pressure (kPa)
Output Voltage (V)
20.0
0.79
46.7
1.84
101.3
4.0

Intake Air Temperature Sensor (IATS)
? Type: Thermistor type
? Specification
Temperature [°C(°F)]
Resistance (k?)
-40(-40)
40.93 ~ 48.35
-20(-4)
13.89 ~ 16.03
0(32)
5.38 ~ 6.09
10(50)
3.48 ~ 3.90
20(68)
2.31 ~ 2.57
40(104)
1.08 ~ 1.21
50(122)
1.56 ~ 1.74
60(140)
0.54 ~ 0.62
80(176)
0.29 ~ 0.34

Engine Coolant Temperature Sensor (ECTS)
? Type: Thermistor type
? Specification
Temperature [°C(°F)]
Resistance (k?)
-40(-40)
48.14
-20(-4)
14.13 ~ 16.83
0(32)
5.79
20(68)
2.31 ~ 2.59
40(104)
1.15
60(140)
0.59
80(176)
0.32

Throttle Position Sensor (TPS) [integrated into ETC Module]
? Type: Variable resistor type
? Specification
Throttle Angle(°)
Output Voltage (V)
TPS1
TPS2
0
0
5.0
10
0.48
4.52
20
0.95
4.05
30
1.43
3.57
40
1.90
3.10
50
2.38
2.62
60
2.86
2.14
70
3.33
1.67
80
3.81
1.19
90
4.29
0.71
100
4.76
0.24
105
5.0
0
C.T (6~15°)
0.29 ~ 0.71
4.29 ~ 4.71
W.O.T (93~102°)
4.43 ~ 4.86
0.14 ~ 0.57

Item
Resistance (k?)
TPS1
0.875 ~ 1.625 [20°C(68°F)]
TPS2
0.875 ~ 1.625 [20°C(68°F)]

Crankshaft Position Sensor (CKPS)
? Type: Hall effect type
Camshaft Position Sensor (CMPS)
? Type: Hall effect type
Knock Sensor (KS)
? Type: Piezo-electricity type
? Specification
Item
Specification
Capacitance (pF)
850 ~ 1,150

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
? Type: Zirconia (ZrO2) [Linear] Type
? Specification
Item
Specification
Heater Resistance (?)
2.5 ~ 4.0 [20°C(68°F)]

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
? Type: Zirconia (ZrO2) [Binary] Type
? Specification
A/F Ratio (?)
Output Voltage(V)
RICH
Approx. 0.9
LEAN
Approx. 0.04

Item
Specification
Heater Resistance (?)
3.3 ~ 4.1 [21°C(69.8°F)]

Accelerator Position Sensor (APS)
? Type: Variable resistor type
? Specification
Accelerator
Position
Output Voltage (V)
APS1
APS2
C.T
0.7 ~ 0.8
0.29 ~ 0.46
W.O.T
3.85 ~ 4.35
1.93 ~ 2.18

Fuel Tank Pressure Sensor (FTPS)
? Type: Piezo - Resistivity type
? Specification
Pressure
[kPa (kgf/cm?, in H2O)
Output Voltage (V)
-6.67 (-0.068, -26.8)
0.5
0
2.5
+6.67 (0.068, 26.8)
4.5

Natural Vacuum Leakage Detection (NVLD)
? Specification
Item
Current (mA)
Switch open
Switch close
Power supply
Approx. 2.0
Approx. 3.0
Data line
Approx. 10.0
-

Actuators
Injector
? Specification
Item
Specification
Coil Resistance (?)
13.8 ~ 15.2 [20°C(68°F)]

ETC Motor [integrated into ETC Module]
? Specification
Item
Specification
Coil Resistance (?)
1.2 ~ 1.8 [20°C(68°F)]

Purge Control Solenoid Valve (PCSV)
? Specification
Item
Specification
Coil Resistance (?)
19.0 ~ 22.0 [20°C(68°F)]

CVVT Oil Control Valve (OCV)
? Specification
Item
Specification
Coil Resistance (?)
6.9 ~ 7.9 [20°C(68°F)]

Ignition Coil
? Type: Stick type
? Specification
Item
Specification
1st Coil Resistance (?)
0.62 ± 10%[20°C(68°F)]
2nd Coil Resistance (k?)
7.0 ± 15%[20°C(68°F)]

Canister Close Valve (CCV)
? Specification
Item
Specification
Coil Resistance (?)
19.8 ~ 21.8 [20°C(68°F)]

Service Standard
SOC state
Ignition timing (°)
Lever position
Idle rpm
SOC 40%
BTDC 21° ± 10°
D,N,P-Range
1700 ± 100 rpm
SOC 42%
BTDC 18° ± 10°
D,N,P-Range
1500 ± 100 rpm
SOC 43%
BTDC 15° ± 10°
D,N,P-Range
1300 ± 100 rpm

Tightening Torques
Engine Control System
Item
kgf.m
N.m
lb-ft
ECM mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
ECM bracket mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Manifold absolute pressure sensor mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Crankshaft position sensor mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Crankshaft position sensor protector mounting bolt (M8)
1.9 ~ 1.4
18.6 ~ 23.5
13.7 ~ 17.4
Crankshaft position sensor protector mounting bolt (M6)
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Camshaft position sensor (Bank 1 / Intake) mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Camshaft position sensor (Bank 1 / Exhaust) mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Knock sensor mounting bolt
1.9 ~ 2.4
18.6 ~ 23.5
13.7 ~ 17.4
Heated oxygen sensor (Bank 1 / sensor 1) installation
4.0 ~ 5.0
39.2 ~ 49.1
28.9 ~ 36.2
Heated oxygen sensor (Bank 1 / sensor 2) installation
4.0 ~ 5.0
39.2 ~ 49.1
28.9 ~ 36.2
Electronic throttle body mounting bolt
0.8 ~ 1.2
7.8 ~ 11.8
5.8 ~ 8.7
Purge control solenoid valve bracket mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
CVVT oil control valve (Bank 1 / Intake) mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
CVVT oil control valve (Bank 1 / Exhaust) mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Ignition coil mounting bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Natural Vaccum Leakage Detection (NVLD) mounting screw
0.2 ~ 0.3
2.3 ~ 3.3
1.7 ~ 2.5

Fuel Delivery System
Item
kgf.m
N.m
lb-ft
Fuel tank band mounting nut
4.0 ~ 5.5
39.2 ~ 54.0
28.9 ~ 39.8
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