ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature, at specified cranking speed, all spark plugs removed and throttle wide open.
| Application | (1) Specification |
| Compression Pressure |
| Accent |
| Standard Value | 218 psi (15.3 kg/cm 2 ) |
| Limit Value | 203 psi (14.3 kg/cm 2 ) |
| Elantra |
| Standard Value | 218 psi (15.3 kg/cm 2 ) |
| Limit Value | 203 psi (14.3 kg/cm 2 ) |
| Santa Fe (2) |
| Standard Value | 170 psi (12.0 kg/cm 2 ) |
| Limit Value | 150 psi (11.0 kg/cm 2 ) |
| Sonata |
| Standard Value | 170 psi (12.0 kg/cm 2 ) |
| Limit Value | 150 psi (11.0 kg/cm 2 ) |
| Tiburon (2.0L) |
| Standard Value | 218 psi (15.3 kg/cm 2 ) |
| Limit Value | 203 psi (14.3 kg/cm 2 ) |
| Tiburon (2.7L) |
| Standard Value | 170 psi (12.0 kg/cm 2 ) |
| Limit Value | 150 psi (11.0 kg/cm 2 ) |
| XG350 |
| Standard Value | 170 psi (12.0 kg/cm 2 ) |
| Limit Value | 150 psi (11.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders |
| All Models | 14 psi (1.0 kg/cm 2 ) |
| (1) Checked with engine coolant temperature at 176-205°F (80-96°C) and engine speed at 250-400 RPM. (2) This information applies only to 2.4L & 2.7L. Information on 3.5L is not available from manufacturer. |
| (1) | Checked with engine coolant temperature at 176-205°F (80-96°C) and engine speed at 250-400 RPM. |
| (2) | This information applies only to 2.4L & 2.7L. Information on 3.5L is not available from manufacturer. |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
Note. All models are equipped with hydraulic lash adjusters. No adjustments are required.
IGNITION COIL
| Application | Primary | Secondary |
| Accent | 0.78-0.96 Ohm | 11,000-15,000 Ohms |
| Elantra | 0.45-0.55 Ohm | 10,300-13,900 Ohms |
| Santa Fe |
| 2.4L | 0.78-0.96 Ohm (1) | 10,200-13,900 Ohms |
| 2.7L | 0.67-0.81 Ohm | 11,300-15,300 Ohms |
| 3.5L | 0.78 Ohm | 10,400-15,600 Ohms |
| Sonata |
| 2.4L | 0.77-0.99 Ohm (1) | 10,300-13,900 Ohms |
| 2.7L | 0.67-0.81 Ohm | 11,300-15,300 Ohms |
| Tiburon |
| 2.0L | 0.45-0.55 Ohm | 10,300-13,900 Ohms |
| 2.7L | 0.67-0.81 Ohm | 11,300-15,300 Ohms |
| XG350 | 0.67-0.81 Ohm (1) | 10,400-15,600 Ohms |
| (1) Value is approximate with coil energized. See IGNITION CHECKS in BASIC DIAGNOSTIC PROCEDURES article. |
| (1) | Value is approximate with coil energized. See IGNITION CHECKS in BASIC DIAGNOSTIC PROCEDURES article. |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
HIGH-TENSION WIRE RESISTANCE
| Wire Application | (1) Ohms |
| Accent |
| BOUGI |
| No. 1 (22" - 560 mm) | 2.51-3.76 |
| No. 2 (17" - 440 mm) | 1.97-2.96 |
| No. 3 (14" - 360 mm) | 1.61-2.42 |
| No. 4 (12" - 310 mm) | 1.39-2.08 |
| R16AIPS |
| No. 1 (22" - 560 mm) | 5.60-11.76 |
| No. 2 (17" - 440 mm) | 4.40-9.24 |
| No. 3 (14" - 360 mm) | 3.60-7.56 |
| No. 4 (12" - 310 mm) | 3.10-6.51 |
| Elantra |
| BOUGI |
| No. 1 (24" - 605 mm) | 2.71-4.07 |
| No. 2 (21" - 545 mm) | 2.44-3.66 |
| No. 3 (18" - 450 mm) | 2.02-3.02 |
| No. 4 (15" - 370 mm) | 1.66-2.49 |
| R16AIPS |
| No. 1 (24" - 605 mm) | 6.05-12.71 |
| No. 2 (21" - 545 mm) | 5.45-11.45 |
| No. 3 (18" - 450 mm) | 4.50-9.45 |
| No. 4 (15" - 370 mm) | 3.70-7.77 |
| Santa Fe |
| 2.4L | (1) (2) (3) |
| 2.7L |
| No. 1 | 4.39-6.59 |
| No. 2 | 2.28-3.43 |
| No. 3 | 3.49-5.24 |
| No. 4 | 1.90-2.86 |
| No. 5 | 3.25-4.87 |
| No. 6 | 1.30-1.95 |
| 3.5L | (3) |
| Sonata |
| 2.4L | (1) (2) (3) |
| 2.7L |
| No. 1 | 4.39-6.59 |
| No. 2 | 2.28-3.43 |
| No. 3 | 3.49-5.24 |
| No. 4 | 1.90-2.86 |
| No. 5 | 3.25-4.87 |
| No. 6 | 1.30-1.95 |
| Tiburon |
| 2.0L | (3) |
| 2.7L |
| No. 1 | 4.39-6.59 |
| No. 2 | 2.28-3.43 |
| No. 3 | 3.49-5.24 |
| No. 4 | 1.90-2.86 |
| No. 5 | 3.25-4.87 |
| No. 6 | 1.30-1.95 |
| XG350 | (3) |
| (1) Resistance should not be more than 10,000 ohms per foot of spark plug cable. (2) 2.4L engine uses 2 ignition coils with an internal power transistor. Ignition coil No. 1 is located on cylinder No. 1 spark plug. Ignition coil No. 2 is located on cylinder No. 2 spark plug. (3) Information is not available from manufacturer. |
| (1) | Resistance should not be more than 10,000 ohms per foot of spark plug cable. |
| (2) | 2.4L engine uses 2 ignition coils with an internal power transistor. Ignition coil No. 1 is located on cylinder No. 1 spark plug. Ignition coil No. 2 is located on cylinder No. 2 spark plug. |
| (3) | Information is not available from manufacturer. |
HIGH-TENSION WIRE RESISTANCE
Scheme 1
Scheme 1: Plug Wires & Ignition Coils (Accent 1.6L & Elantra 2.0L)
Scheme 2
Scheme 2: Plug Wires & Ignition Coils (Santa Fe 2.4L & Sonata 2.4L)
Scheme 3
Scheme 3: Plug Wires & Ignition Coils (Santa Fe 2.7L & Sonata 2.7L)
Scheme 4
Scheme 4: Plug Wires & Ignition Coils (Santa Fe 3.5L & XG350 3.5L)
SPARK PLUGS
| Application | Number |
| Accent |
| Champion | RC10YC4 |
| NGK | BKR5ES-11 |
| Elantra |
| Champion | RC10YC4 |
| NGK | BKR5ES-11 |
| Santa Fe |
| 2.4L |
| Champion | RN10PYP4 |
| NGK | PGR5C-11 |
| 2.7L & 3.5L |
| Champion | RC10PYP4 |
| NGK | PFR5N-11 |
| Sonata |
| 2.4L |
| Champion | RN10PYP4 |
| NGK | PGR5C-11 |
| 2.7L |
| Champion | RC10PYP4 |
| NGK | PFR5N-11 |
| Tiburon |
| 2.0L |
| Champion | RN10PYP4 |
| NGK | PGR5C-11 |
| 2.7L |
| Champion | RC10PYP4 |
| NGK | PFR5N-11 |
| XG350 |
| Champion | RC10PYP4 |
| NGK | PFR5N-11 |
| Application | Gap - In. (mm) | Torque - Ft. Lbs. (N.m) |
| All Models | 0.039-0.043 (1.0-1.1) | 15-22 (20-30) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER & TIMING MARKS
Scheme 5
Scheme 5: Firing Order (Accent 1.5L & 1.6L, Elantra 2.0L, Santa Fe 2.4L & Sonata 2.4L)
Scheme 6
Scheme 6: Firing Order (Santa Fe 2.7L & 3.5L, Sonata 2.7L & XG350 3.5L)
IGNITION TIMING
| Application | (1) Base Timing |
| Accent | 4°-14° @ 650-850 RPM |
| Elantra | 3°-13° @ 600-800 RPM |
| Santa Fe |
| 2.4L | 2°-12° @ 650-850 RPM |
| 2.7L | 7°-17° @ 600-800 RPM |
| 3.5L | (2) |
| Sonata |
| 2.4L | 2°-12° @ 600-800 RPM |
| 2.7L | 7°-17° @ 750-950 RPM |
| Tiburon |
| 2.0L | 4°-14° @ 600-800 RPM |
| 2.7L | 7°-17° @ 650-750 RPM |
| XG350 | 3°-7° @ 600-800 RPM |
| (1) Ignition timing is controlled by computer and is not adjustable. Specification is for inspection only. (2) For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
| (1) | Ignition timing is controlled by computer and is not adjustable. Specification is for inspection only. |
| (2) | For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
IGNITION TIMING (Degrees BTDC @ RPM)
REGULATED FUEL PRESSURE (ACCENT & ELANTRA)
| Application | At Idle - psi (kg/cm 2 ) |
| Accent & Elantra | 50 (3.52) |
| (1) Fuel pressure regulator is an integral part of the fuel pump assembly. |
| (1) | Fuel pressure regulator is an integral part of the fuel pump assembly. |
REGULATED FUEL PRESSURE (ACCENT & ELANTRA) (1)
REGULATED FUEL PRESSURE (SANTA FE, SONATA & XG350)
| Application | At Idle W/Vacuum - psi (kg/cm 2 ) | At Idle W/O Vacuum - psi (kg/cm 2 ) |
| Santa Fe | 38 (2.67) | 46-49 (3.23-3.45) |
| Sonata | 38 (2.67) | 47-50 (3.31-3.52) |
| XG350 | 37 (2.57) | 46-49 (3.26-3.47) |
REGULATED FUEL PRESSURE (SANTA FE, SONATA & XG350)
REGULATED FUEL PRESSURE (TIBURON)
| Application | At Idle - psi (kg/cm 2 ) | At Idle W/O Vacuum - psi (kg/cm 2 ) |
| Tiburon |
| 2.0L (1) | 50 (3.52) | N/A |
| 2.7L | (2) 38 (2.67) | 47-50 (3.31-3.52) |
| (1) Fuel pressure regulator is an integral part of the fuel pump assembly. (2) With vacuum applied. |
| (1) | Fuel pressure regulator is an integral part of the fuel pump assembly. |
REGULATED FUEL PRESSURE (TIBURON)
INJECTOR RESISTANCE
| Application | (1) Ohms |
| Accent | 15.55-16.25 |
| Elantra | 15.55-16.25 |
| Santa Fe |
| 2.4L | 13.00-16.00 |
| 2.7L | 13.80-15.20 |
| 3.5L | (2) |
| Sonata | 13.00-16.00 |
| Tiburon |
| 2.0L | 15.55-16.25 |
| 2.7L | 13.00-16.00 |
| XG350 | 13.00-16.00 |
| (1) Resistance measured at 68°F (20°C). (2) For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
| (1) | Resistance measured at 68°F (20°C). |
| (2) | For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
IDLE SPEED & MIXTURE
Note. Idle speed and air/fuel mixture are computer-controlled and not adjustable.
| Application | (1) RPM |
| Accent | 650-850 |
| Elantra | 600-800 |
| Santa Fe |
| 2.4L | 700-900 |
| 2.7L | 600-800 |
| 3.5L | (2) |
| Sonata |
| 2.4L | 600-800 |
| 2.7L | 750-950 |
| Tiburon |
| 2.0L | 600-800 |
| 2.7L | 650-750 |
| XG350 | 600-800 |
| (1) Check idle speed with engine warmed up, lights and accessories off, transmission in Park or Neutral, and steering wheel straight ahead. (2) For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
| (1) | Check idle speed with engine warmed up, lights and accessories off, transmission in Park or Neutral, and steering wheel straight ahead. |
| (2) | For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
FAST IDLE SPEED
Note. Fast idle speed is computer-controlled and information not available from manufacturer.
THROTTLE POSITION SENSOR
| Application | Ohms @ Idle | Volts @ Idle |
| Accent | 700-3000 | 0.25-0.80 |
| Elantra | 700-3000 | 0.10-0.88 |
| Santa Fe |
| 2.4L | 3500-6500 | 0.30-0.90 |
| 2.7L | 3500-6500 | 0.25-0.80 |
| 3.5L | (1) | (1) |
| Sonata |
| 2.4L | 3500-6500 | 0.30-0.90 |
| 2.7L | 1600-2400 | 0.25-0.80 |
| Tiburon |
| 2.0L | 700-3000 | 0.10-0.88 |
| 2.7L | 700-3000 | 0.25-0.80 |
| XG350 | 3500-6500 | 0.30-0.90 |
| (1) For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |
| (1) | For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article. |