ENGINE COMPRESSION
| Model | Standard psi (kg/cm 2 ) | Minimum psi (kg/cm 2 ) | Minimum RPM |
| Accord & Prelude | 178 (12.5) | 135 (9.5) | 250 |
| Civic & CRX | 185 (13.0) | 135 (9.5) | 250 |
| (1) Maximum variation between cylinders is 28 psi (2.0 kg/cm 2 ). |
| (1) | Maximum variation between cylinders is 28 psi (2.0 kg/cm 2 ). |
VALVE CLEARANCE
| Model | Intake In. (mm) | Exhaust In. (mm) |
| Accord | .009-.011 (.23-.28) | .011-.013 (.28-.32) |
| Civic | .007-.009 (.17-.23) | .009-.011 (.23-.28) |
| CRX 1.5L PFI | .005-.007 (.13-.17) | .007-.009 (.17-.23) |
| CRX 1.5L TBI & 1.6L PFI | .007-.009 (.17-.23) | .009-.011 (.23-.28) |
| Prelude | .003-.005 (.08-.13) | .006-.008 (.16-.20) |
VALVE CLEARANCE ADJUSTMENT SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
| Accord | .6-.8 | 12,800-19,2000 |
| Civic & CRX | .6-.8 | 9760-14,640 |
| Prelude | .3-.4 | 9040-13,560 |
IGNITION COIL RESISTANCE - Ohms@68°F (20°C)
DISTRIBUTOR SENSORS
Triggering of fuel injectors is dependent upon pulsed voltage signals generated by TDC/CRANK/CYL sensors. For testing of these signals, see appropriate BASIC TESTING article in the ENGINE PERFORMANCE Section.
HIGH TENSION WIRE RESISTANCE
| Application | Ohms |
| All Models | 25,000 Maximum |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | NGK |
| Accord | ZFR5F-11 |
| Civic & CRX | BCPR6EY-N11 |
| Prelude | ZFR5F-11 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
| All Models | .039-.043 (1.0-1.1) | 13 (18) |
SPARK PLUG SPECIFICATIONS
Scheme 1
Scheme 1: Distributor Cap Terminals (Accord)
Scheme 2
Scheme 2: Distributor Cap Terminals (Civic & CRX)
Scheme 3
Scheme 3: Distributor Cap Terminals (Prelude)
Scheme 4
Scheme 4: Firing Order & Distributor Rotation (Accord)
Scheme 5
Scheme 5: Firing Order & Distributor Rotation (Civic & CRX)
Scheme 6
Scheme 6: Firing Order & Distributor Rotation (Prelude)
Scheme 7
Scheme 7: Ignition Timing Marks (Accord & Prelude)
Scheme 8
Scheme 8: Ignition Timing Marks (Civic & CRX)
Ignition Timing (Degrees BTDC @ RPM)
| Application | Specification |
| Accord | 13-17 @ 700-800 |
| Civic | 16-20 @ 700-800 |
| CRX |
| 1.5L PFI | (1) 12-16 @ 550-650 |
| 1.5L TBI | 16-20 @ 675-775 |
| 1.6L PFI | 16-20 @ 700-800 |
| Prelude | 13-17 @ 700-800 |
| (1) 600-700 RPM on California vehicles. |
| (1) | 600-700 RPM on California vehicles. |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
Note. Fuel pump performance is a measurement of fuel pressure and volume availability, not regulated fuel pressure.
| Application | Psi (kg/cm 2 ) At Idle |
| Accord | 34-41 (2.4-2.9) |
| Civic | 36-37 (2.5-2.6) |
| CRX | 35-41 (2.45-2.9) |
| Prelude | 37-44 (2.6-3.1) |
| (1) Fuel pressure is tested with vacuum hose removed from pressure regulator. |
| (1) | Fuel pressure is tested with vacuum hose removed from pressure regulator. |
FUEL PRESSURE (FUEL INJECTION) (1)
INJECTOR RESISTANCE
| Application | Ohms |
| PFI |
| Injector | 1.5-2.5 |
| Injector Resistor | 5-7 |
| TBI |
| Main Injector | 0.6-1.6 |
| Auxiliary Injector | 6-10 |
IDLE SPEED & CO MIXTURE
| Application | RPM |
| Accord |
| All Models | 550-650 |
| After ECU Reset |
| No Load | 700-800 |
| Under Load | 720-820 |
| Civic |
| 1.5L | 575-675 |
| 1.6L | 500-600 |
| After ECU Reset |
| 1.5L |
| No Load | 700-800 |
| Under Load | 760-860 |
| 1.6L |
| No Load | 700-800 |
| Under Load |
| 2WD | 760-860 |
| 4WD |
| Manual | 760-860 |
| Automatic | 780-880 |
| CRX |
| 1.5L PFI | 450-550 |
| 1.5L TBI | 575-675 |
| 1.6L PFI | 500-600 |
| After ECU Reset |
| 1.5L PFI |
| No Load |
| California | 600-700 |
| Federal | 550-650 |
| Under Load | 700-800 |
| 1.5L TBI & 1.6L PFI |
| No Load | 700-800 |
| Under Load | 760-860 |
| Prelude |
| 1.6L | 600-700 |
| After ECU Reset | 720-820 |
| (1) Idle speed is set with headlights and cooling fan off and automatic transmission in Drive. |
| (1) | Idle speed is set with headlights and cooling fan off and automatic transmission in Drive. |
IDLE SPEED SPECIFICATIONS (1)
| Application | CO Level |
| All Models | 0.1% |
THROTTLE ANGLE (POSITION) SENSOR
Note. For testing procedures, refer to appropriate TESTS W/CODES or SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE Section.
| Condition | Voltage |
| Throttle Valve |
| Fully Closed | .5 |
| Wide Open | 4.5 |
THROTTLE ANGLE (POSITION) SENSOR SPECIFICATIONS