ENGINE COMPRESSION
Check engine compression at specified cranking speed, with engine at normal operating temperature, all spark plugs removed and throttle wide open.
| Application | Standard psi (kg/cm 2 ) | Minimum psi (kg/cm 2 ) | Minimum RPM |
|---|---|---|---|
| 2.7L (1) | 171 (12.0) | 142 (10.0) | 200 |
| (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 ). |
ENGINE COMPRESSION
VALVE CLEARANCE
Note. 2.7L engine is equipped with hydraulic lash adjusters. No adjustment is required.
IGNITION COIL
| Application | Primary | Secondary |
|---|---|---|
| Accord | .3-.4 | 14,000-22,000 |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
DISTRIBUTOR SENSORS
Triggering of fuel injectors is dependent upon pulsed voltage signals generated by TDC/CKP/CYP sensors. For testing of these signals, see BASIC TESTING - 2.7L article.
| Application | Terminals | Wire Color | |
|---|---|---|---|
| CKP Sensor Wire | |||
| 1 Of 2 | "B" | Blue/Green | |
| 2 Of 2 | "F" | Blue/Yellow | |
| CYL Sensor Wire | |||
| 1 Of 2 | "D" | Orange | |
| 2 Of 2 | "H" | White | |
| TDC Sensor Wire | |||
| 1 Of 2 | "C" | Orange/Blue | |
| 2 Of 2 | "G" | White/Blue | |
| (1) CRANK sensor is mounted behind crankshaft pulley & CYL/TDC sensor is mounted behind camshaft pulley. | |||
| (1) | CRANK sensor is mounted behind crankshaft pulley & CYL/TDC sensor is mounted behind camshaft pulley. |
TDC/CKP/CYL SENSOR RESISTANCE TEST (1)
HIGH TENSION WIRE RESISTANCE
| Application | Ohms |
|---|---|
| 2.7L | 25,000 Maximum |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | NGK |
|---|---|
| Accord | ZFR5F-11 |
SPARK PLUG TYPE
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|---|---|
| 2.7L | .039-.043 (1.0-1.1) | 13 (18) |
SPARK PLUG SPECIFICATIONS
Scheme 6
Scheme 7
IGNITION TIMING
| Application | Specification |
|---|---|
| Accord | 13-17 @ 650-750 |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
| Application | At Idle psi (kg/cm 2 ) |
|---|---|
| Vacuum Hose Disconnected | 44-51 (3.1-3.6) |
| Vacuum Hose Connected | 36-43 (2.5-3.0) |
REGULATED FUEL PRESSURE
INJECTOR RESISTANCE
Note. No information available from manufacturer.
IDLE SPEED & CO MIXTURE
For further information on idle speed adjustments and specifications, see ADJUSTMENTS - 2.7L article.
| Application | RPM |
|---|---|
| Accord (1) | 500-600 |
| (1) With Electronic Air Control Valve (EACV) or Idle Air Control (IAC) valve disconnected, headlights and cooling fan off, and transmission in Neutral or Park. | |
| (1) | With Electronic Air Control Valve (EACV) or Idle Air Control (IAC) valve disconnected, headlights and cooling fan off, and transmission in Neutral or Park. |
IDLE SPEED SPECIFICATIONS
| Application | CO Level |
|---|---|
| 2.7L | 0.1% |
IDLE CO LEVEL
THROTTLE POSITION (TP) SENSOR
Note. For testing procedures, refer to TESTS W/CODES - OBD-II (2.7L) or SYSTEM/COMPONENT TESTS - 2.7L article. See THROTTLE POSITION (TP) SENSOR VOLTAGE . See following list.
| Condition | Volts |
|---|---|
| Throttle Valve Fully Closed | .5 |
| Throttle Valve Wide Open | 4.5 |
THROTTLE POSITION (TP) SENSOR VOLTAGE