ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed, and throttle wide open.
| Application | Specification |
|---|
| Compression Pressure |
| Optima & Magentis (Canadian) |
| 2.4L | 178 psi (1227 kPa) @ 250-400 RPM |
| 2.5L V6 | 170 psi (1172 kPa) (1) |
| Rio | 184 psi (1275 kPa) (1) |
| Sephia & Spectra | 193 psi (1331 kPa) @ 300 RPM |
| Sportage | 164 psi (1131 kPa) @ 250 RPM |
| (1) At cranking speed. Cranking RPM not available from manufacturer. |
| (1) | At cranking speed. Cranking RPM not available from manufacturer. |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
Note. All models are equipped with hydraulic valve lash adjusters. No adjustments are required.
IGNITION COIL
| Application | Primary | Secondary |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | .78 | 20,000 |
| 2.5L V6 | .67-.81 | 11,305-15,295 |
| Rio | .60-.80 | 11,000-15,000 |
| Sephia, Spectra & Sportage | .45-.55 | 13,000-15,000 |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
HIGH TENSION WIRE RESISTANCE
High tension wire resistance should not exceed 10,000 ohms per foot.
SPARK PLUGS
| Application | Type |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | NGK PGR5C-11 or Champion RN10PYP4 |
| 2.5L V6 | NGK PFR5N-11 |
| Rio, Sephia & Spectra | NGK BKR6E |
| Sportage | NGK BKR6E-11 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | .039-.043 (1.0-1.1) | 18-22 (25-30) |
| 2.5L V6 | .039-.043 (1.0-1.1) | 14-22 (20-30) |
| Rio, Sephia & Spectra | .028-.032 (0.7-0.8) | 18-22 (25-30) |
| Sportage | .039-.043 (1.0-1.1) | 18-22 (25-30) |
SPARK PLUG SPECIFICATIONS
Firing Order (4-Cylinder Engines). Scheme 1
Scheme 1: Firing Order (4-Cylinder Engines)
Firing Order (V6 Engine). Scheme 2
Scheme 2: Firing Order (V6 Engine)
IGNITION TIMING
| Application | (1) (2) Degrees BTDC @ Idle |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | 3-7 |
| 2.5L V6 | 7-17 |
| Rio, Sephia & Spectra | 3-13 |
| Sportage | 0-12 |
| (1) With engine warmed up and electrical systems off. (2) Ignition timing is computer controlled and is not adjustable. |
| (1) | With engine warmed up and electrical systems off. |
| (2) | Ignition timing is computer controlled and is not adjustable. |
FUEL PUMP
| Application | Psi (kPa) |
|---|
| Optima & Magentis (Canadian) |
| Fuel Line Pressure (1) (2) |
| Regulator Vacuum Connected | 37 (255) |
| Regulator Vacuum Disconnected | 46-49 (320-340) |
| Rio, Sephia & Spectra |
| Maximum Pressure (1) | 65-94 (450-650) |
| Fuel Line Pressure (3) | 46-51 (320-350) |
| Holding Pressure (4) | Greater Than 25 (180) |
| Sportage |
| Maximum Pressure (5) | Greater Than 50 (340) |
| Fuel Line Pressure (2) (6) |
| Regulator Vacuum Connected | 34 (235) |
| Regulator Vacuum Disconnected | 42 (292) |
| Holding Pressure (7) | Greater Than 21 (1.5) |
| (1) With pressure gauge connected to main fuel line with adapter. (2) Engine at idle. (3) With pressure gauge connected to fuel rail service port. (4) With pressure gauge connected to fuel rail service port. Minimum pressure 15 minutes after ignition is turned off. (5) With pressure gauge connected to fuel filter and pressure gauge outlet hose plugged. (6) With pressure gauge connected to fuel rail service port. (7) With pressure gauge connected to fuel rail service port. Minimum pressure 5 minutes after ignition is turned off. |
| (1) | With pressure gauge connected to main fuel line with adapter. |
| (3) | With pressure gauge connected to fuel rail service port. |
| (4) | With pressure gauge connected to fuel rail service port. Minimum pressure 15 minutes after ignition is turned off. |
| (5) | With pressure gauge connected to fuel filter and pressure gauge outlet hose plugged. |
| (6) | With pressure gauge connected to fuel rail service port. |
| (7) | With pressure gauge connected to fuel rail service port. Minimum pressure 5 minutes after ignition is turned off. |
FUEL PRESSURE SPECIFICATIONS
INJECTOR RESISTANCE
| Application | (1) Ohms |
|---|
| Optima & Magentis (Canadian) | 13-16 |
| Rio | 13.5-15.5 |
| Sephia & Spectra | 14.5 |
| Sportage | 12-16 |
| (1) With temperature at 68°F (20°C). |
| (1) | With temperature at 68°F (20°C). |
IDLE SPEED
| Application | (1) (2) RPM |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | 700-900 |
| 2.5L V6 | 600-800 |
| Rio | 700-800 |
| Sephia & Spectra | 750-850 |
| Sportage | 770-870 |
| (1) Base idle speed is controlled by PCM and is not adjustable. (2) With engine at normal operating temperature and all electrical loads off. |
| (1) | Base idle speed is controlled by PCM and is not adjustable. |
| (2) | With engine at normal operating temperature and all electrical loads off. |
IDLE SPEED SPECIFICATIONS
THROTTLE POSITION (TP) SENSOR
Note. For information on connector terminal identification and test conditions specified in the following tables, see ON-VEHICLE ADJUSTMENTS article.
| Application | (1) Specification |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | 0.3-.9 volt |
| 2.5L V6 | .25-.80 volt |
| Rio | 0.2-0.8 To 4.0-4.8 volts |
| Sephia & Spectra | 0.4-0.6 To 4.1-4.3 volts |
| Sportage | 1000-2400 ohms |
| Fully Closed Approx. | 2400 ohms |
| Fully Open Approx. | 1000 ohms |
| (1) Reading is from idle position to wide open throttle position. |
| (1) | Reading is from idle position to wide open throttle position. |
TP SENSOR CONTINUITY SPECIFICATIONS
