Kia Optima Hybrid Owner's Manual Quiz
Engine Control System/Fuel System

Specifications

In this manual: Engine Control System/Fuel System
General Information — 4Engine Mechanical System — 50Engine Electrical System — 20Emission Control System — 30Engine Control System/Fuel System — 84Automatic Transmission — 98Drive Shaft and Axle — 15Suspension System — 36Steering — 12Restraints — 50Brake System — 38Body (Interior and Exterior) — 54Body Electrical System — 233Heating, Ventilation, and Air Conditioning — 57
~6min read

Specifications

Fuel Delivery System

Items Specification
Fuel tank Capacity 65 L (17.2 US gal, 68.7 US qt, 57.2 Imp qt)
Fuel filter Type Paper Type
Fuel Pressure Regulator Regulated Fuel Pressure 333 ~ 353 kPa (3.4 ~ 3.6 kgf/cm², 48.3 ~ 51.2 psi)
Fuel pump Type Electric, In-Tank Type
Which was driven Electric Motor

Gauges

Manifold Absolute Pressure Sensor (MAPS) ? Type: Piezoresistive pressure sensor ? 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) [Built into ETC Module] ? Type: Variable Resistor Type ? Specifications
Throttle Angle (°) Output voltage (V)
TP1 TP2
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
BTDC (6~15°) 0,29 ~ 0,71 4,29 ~ 4,71
WOT (93~102°) 4,43 ~ 4,86 0,14 ~ 0,57

Item Resistance (k?)
TP1 0,875 ~ 1,625 [20 °C]
TP2 0,875 ~ 1,625 [20 °C]

Crankshaft Position Sensor (CKPS) ? Type: Hall Effect Type. Camshaft Position Sensor (CMPS) ? Type: Hall Effect Type. Knock Sensor (KS) ? Type: Piezoelectric Type ? Specifications
Item Specification
Capacitance (pF) 850 ~ 1150

Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] ? Type: Zirconia (ZrO2) [Linear] Type ? Specifications
Item Specification
Heater Resistance (?) 2,5 ~ 4,0 [20 °C]

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

Item Specification
Heater Resistance (?) 3,3 ~ 4,1 [21 °C]

Accelerator Pedal Position Sensor (APS) ? Type: Variable resistor type ? Specification
Accelerator
Position		 Output voltage (V)
VPA1 VPA2
THA 0,7 ~ 0,8 0,29 ~ 0,46
THW 3,85 ~ 4,35 1,93 ~ 2,18

Fuel Tank Pressure Sensor (FTPS) ? Type: Piezoelectric - resistance type ? Specification
Pressure
[kPa (kgf/cm², 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 Leak Detection (NVLD) ? Specifications
Item Current (mA)
Switch open Switch Closed
Power Supply approx. 2.0 approx. 3.0
Data Line approx. 10.0 -

Actuators

Injector ? Specification
Item Specification
Coil resistance (Ω) 13,8 ~ 15,2 [20 °C]

ETC Motor [integrated in ETC module] ? Specification
Item Specification
Coil resistance (Ω) 1,2 ~ 1,8 [20 °C]

Purge Control Solenoid Valve (PCSV) ? Specification
Item Specification
Coil resistance (Ω) 19,0 ~ 22,0 [20 °C]

CVVT Oil Control Valve (OCV) ? Specification
Item Specification
Coil resistance (Ω) 6,9 ~ 7,9 [20 °C]

Ignition Coil ? Type: Grip Type ? Specification
Item Specification
1st Coil Resistance (Ω) 0,62 ± 10%[20 °C]
2nd Coil Resistance (Ω) 7,0 ± 15%[20 °C]

Canister Close Valve (CCV) - Specification
Item Specification
Coil resistance (Ω) 19,8 ~ 21,8 [20 °C]

Service Standard

SOC Condition Ignition Timing (°) Lever Position Idle
APS 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 torque

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 Mounting Bolt (Bank 1 / Intake) 1,0 ~ 1,2 9,8 ~ 11,8 7,2 ~ 8,7
Camshaft Position Sensor Mounting Bolt (Bank 1/Exhaust) 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 Installation (Bank 1 / Sensor 1) 4,0 ~ 5,0 39,2 ~ 49,1 28,9 ~ 36,2
Heated Oxygen Sensor Installation (Bank 1 / Sensor 2) 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 VSV Bracket Mounting Bolt 1,0 ~ 1,2 9,8 ~ 11,8 7,2 ~ 8,7
CVVT Oil Control Valve Mounting Bolt (Bank 1/Intake) 1,0 ~ 1,2 9,8 ~ 11,8 7,2 ~ 8,7
CVVT Oil Control Valve Mounting Bolt (Bank 1/Exhaust) 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 Vacuum Leak Detection (NVLD) Sensor 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
Fuel Pump Plate Cover Mounting Bolt 0,2 ~ 0,3 2,0 ~ 2,9 1,4 ~ 2,2
Filler Neck Bracket Mounting Nut 0,4 ~ 0,6 3,9 ~ 5,9 2,9 ~ 4,3
Accelerator Pedal Module Mounting Bolt 0,9 ~ 1,4 8,8 ~ 13,7 6,5 ~ 10,1
Accelerator Pedal Module Mounting Nut 1,0 ~ 1,5 9,8 ~ 14,7 7,2 ~ 10,9
Delivery Pipe Mounting Bolt 1,9 ~ 2,4 18,6 ~ 23,5 13,7 ~ 17,4
Delivery Pipe Mounting Nut (- Fuel Feed Tube) 0,8 ~ 1,0 7,8 ~ 9,8 5,8 ~ 7,2

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.