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 (1) |
| Optima & Magentis (Canadian) |
| 2.4L | 178 psi (1227 kPa) @ 250-400 RPM |
| 2.7L | (2) 170 psi (1200 kPa) |
| Rio | 184 psi (1275 kPa) @ 300 RPM |
| Sedona | (2) 170 psi (1200 KPa) |
| Sorento | (2) 170 psi (1200 kPa) |
| Spectra | 193 psi (1331 kPa) @ 300 RPM |
| (1) With engine at normal operating temperature (2) At cranking speed. Cranking RPM not available from manufacturer. |
| (1) | With engine at normal operating temperature |
| (2) | 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 |
| 2.7L | .74-.81 | 13,300-15,300 |
| Rio | .60-.80 | 11,000-15,000 |
| Sedona & Sorento | .78 | 13,000 |
| Spectra | .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.
Scheme 1
Scheme 1: Plug Wires & Ignition Coils (Optima & Magentis (Canadian) 2.4L & Spectra )
Scheme 2
Scheme 2: Plug Wires & Ignition Coils (Optima & Magentis (Canadian) 2.7L)
Scheme 3
Scheme 3: Plug Wires & Ignition Coils (Rio)
Scheme 4
Scheme 4: Plug wires & Ignition Coils (Sedona & Sorento)
SPARK PLUGS
| Application | Type |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | NGK PGR5C-11 or Champion RN10PYP4 |
| 2.7L | NGK PFR5N-11 |
| Rio & Spectra | NGK BKR6E |
| Sedona & Sorento | NGK PFR5N-11 or Champion RC10PYP4, RC10PYPB4 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | .039-.043 (1.0-1.1) | 18-22 (25-30) |
| 2.7L | .039-.043 (1.0-1.1) | 15-22 (20-30) |
| Sedona & Sorento | .039-.043 (1.0-1.1) | 15-22 (20-30) |
| Rio & Spectra | .028-.032 (0.7-0.8) | 18-22 (25-30) |
SPARK PLUG SPECIFICATIONS
Scheme 5
Scheme 6
IGNITION TIMING
| Application | (1) (2) Degrees BTDC @ Idle |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | 3-7 |
| 2.7L | 7-17 |
| Rio | 1-11 |
| Sedona | 8-12 |
| Sorento | 8-12 |
| Spectra | (3) |
| (1) With engine at normal operating temperature and all electrical loads off. (2) Ignition timing is computer controlled and is not adjustable. (3) 5 degrees ATDC to 15 degrees BTDC. |
| (1) | With engine at normal operating temperature and all electrical loads off. |
| (2) | Ignition timing is computer controlled and is not adjustable. |
| (3) | 5 degrees ATDC to 15 degrees BTDC. |
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 & Spectra |
| Maximum Pressure (1) | 65-94 (450-650) |
| Fuel Line Pressure (3) | 46-51 (320-350) |
| Holding Pressure (4) | Greater Than 25 (180) |
| Sedona & Sorento |
| Fuel Line Pressure (1) (2) |
| Regulator Vacuum Connected | 39 (270) |
| Regulator Vacuum Disconnected | 46-49 (320-340) |
| (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 15-25 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 15-25 minutes after ignition is turned off. |
FUEL PRESSURE SPECIFICATIONS
INJECTOR RESISTANCE
| Application | (1) Ohms |
|---|
| Optima & Magentis (Canadian) | 13-16 |
| Rio | 13.5-15.5 |
| Sedona & Sorento | 13-16 |
| Spectra | 14.5 |
| (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 |
| 2.7L | 600-800 |
| Rio | 700-800 |
| Sedona | 600-800 |
| Sorento | 700-900 |
| Spectra | 750-850 |
| (1) Base idle speed is controlled by PCM and is not adjustable (except Sedona). (2) With engine at normal operating temperature and all electrical loads off. |
| (1) | Base idle speed is controlled by PCM and is not adjustable (except Sedona). |
| (2) | With engine at normal operating temperature and all electrical loads off. |
IDLE SPEED SPECIFICATIONS
THROTTLE POSITION SENSOR
Note. For information on Throttle Position (TP) sensor adjustment procedure, on applicable models, see THROTTLE POSITION SENSOR in ON-VEHICLE ADJUSTMENTS article.
| Application | (1) Specification |
|---|
| Optima & Magentis (Canadian) |
| 2.4L | 0.3-0.9 To 4.0-4.6 volts |
| 2.7L | 0.25-0.8 To 4.0-4.4 volt |
| Rio | 0.2-0.8 To 4.0-4.8 volts |
| Sedona | 0.3-0.9 To 4.0-4.6 volts |
| Sorento | 0.3-0.9 To 4.5-5.0 volts |
| Spectra | 0.3-0.9 To 4.0-4.4 volts |
| (1) Reading is from idle position to wide open throttle position. |
| (1) | Reading is from idle position to wide open throttle position. |
THROTTLE POSITION SENSOR CONTINUITY SPECIFICATIONS
