ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
| Application | Psi (kg/cm 2 ) |
|---|
| I30 |
| Standard | 186 (13.1) |
| Minimum | 142 (10.0) |
| Maximum Variation Between Cylinders | 14 (1.0) |
| Q45 |
| Standard | 185 (13.0) |
| Minimum | 142 (10.0) |
| Maximum Variation Between Cylinders | 14 (1.0) |
| (1) Readings taken at cranking speed (300 RPM). |
| (1) | Readings taken at cranking speed (300 RPM). |
COMPRESSION SPECIFICATIONS (1)
VALVE CLEARANCE
Note. Q45 is equipped with hydraulic lifters. No adjustment is required.
| Application | In. (mm) |
|---|
| I30 |
| Intake | .010-.013 (.26-.34) |
| Exhaust | .011-.015 (.29-.37) |
| (1) Valve clearance is checked with engine cold. |
| (1) | Valve clearance is checked with engine cold. |
VALVE LIFTER CLEARANCE (1)
IGNITION COIL
| Application | Primary | Secondary |
|---|
| I30 & Q45 | N/A | N/A |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
DISTRIBUTOR SENSORS
| Application | (1) Fluctuating Voltage |
|---|
| I30 & Q45 | Between 5 And Zero |
| (1) Rotate crankshaft position sensor slowly by hand. Includes sub-crankshaft position sensor on Q45. |
| (1) | Rotate crankshaft position sensor slowly by hand. Includes sub-crankshaft position sensor on Q45. |
CRANKSHAFT POSITION SENSOR
SPARK PLUGS
| Application | NGK No. |
|---|
| I30 & Q45 | PFR5G-11 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| I30 & Q45 | .039-.043 (1.00-1.10) | 15-21 (20-29) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER & TIMING MARKS
Note. For firing order (Scheme 1)- (Scheme 2). All models use a distributorless ignition system. On Q45, adjustments to timing are made by rotating camshaft position sensor after loosening mounting bolts.
Firing Order (I30). Scheme 1
Scheme 1: Firing Order (I30)
Firing Order (Q45). Scheme 2
Scheme 2: Firing Order (Q45)
IGNITION TIMING
| Application | (1) Specification |
|---|
| I30 & Q45 | 13-17° BTDC |
| (1) With transmission in Neutral and no electrical load on engine. |
| (1) | With transmission in Neutral and no electrical load on engine. |
IGNITION TIMING (Degrees BTDC @ Idle)
FUEL PUMP
| Application | (1) psi (kg/cm 2 ) | (2) psi (kg/cm 2 ) |
|---|
| I30 & Q45 | 34 (2.4) | 43 (3.0) |
| (1) With vacuum hose connected at fuel pressure regulator. (2) With vacuum hose disconnected at fuel pressure regulator. |
| (1) | With vacuum hose connected at fuel pressure regulator. |
| (2) | With vacuum hose disconnected at fuel pressure regulator. |
INJECTOR RESISTANCE
| Application | Ohms |
|---|
| I30 & Q45 | 10-14 |
INJECTOR RESISTANCE SPECIFICATIONS
IDLE SPEED
| Application | (1) Idle RPM | CO Level |
|---|
| I30 |
| A/T | 650-750 | (2) |
| M/T | 575-675 | (2) |
| Q45 | 600-700 | (2) |
| (1) With transmission in Neutral and no electrical load on engine. (2) See underhood emission decal for specification. |
| (1) | With transmission in Neutral and no electrical load on engine. |
| (2) | See underhood emission decal for specification. |
THROTTLE POSITION (TP) SENSOR
| Application | (1) Ohms |
|---|
| I30 (2) |
| Completely Released | 500 |
| Partially Released | 500-4000 |
| Completely Depressed | 4000 |
| Q45 (2) |
| Completely Released | 700 |
| Partially Released | 700-5000 |
| Completely Depressed | 5000 |
| (1) Approximate values are given. (2) See ADJUSTMENTS article for TP sensor connector terminal identification. |
| (1) | Approximate values are given. |
| (2) | See ADJUSTMENTS article for TP sensor connector terminal identification. |
THROTTLE POSITION (TP) SENSOR RESISTANCE
