Inspection

INSPECTION

1. INSPECT SPARK PLUG

NOTE:
- Do not use a wire brush to clean the spark plug.
- Do not try to adjust the electrode gap of a used spark plug.

a. Inspect the resistance.

1. Using an ohmmeter, measure the resistance between the insulation and body ground.

Resistance: 10 MOhms or more

If the resistance is not as specified, check the electrode gap.

b. Alternative inspection method.

1. Quickly accelerate the engine speed to 4,000 rpm 5 times.
2. Remove the spark plug.
3. Visually check the spark plug.
4. If the electrode is dry...OK.
5. If the electrode is wet...Proceed to step (c).
6. Reinstall the spark plug.

c. Check the appearance.

1. Check the thread and insulator of the spark plug for damage.

If damaged, replace the spark plug.

d. Inspect the electrode gap.
1. Using a spark plug gauge, measure the electrode gap.

Maximum electrode gap of used spark plug: 1.3 mm (0.051 in.)

If the electrode gap is greater than maximum, replace the spark plug.

Electrode gap of new spark plug: 1.0 to 1.1 mm (0.039 to 0.043 in.)

e. Clean the spark plugs.
If the electrode has traces of wet carbon, clean the electrode with a spark plug cleaner, then dry it.

Air pressure: Blow 588 kPa (6 kgf/sq.cm, 85 psi)

Duration: 20 seconds or shorter

If there are traces of oil, remove it with gasoline before using the spark plug cleaner.

2. INSPECT VVT SENSOR

a. Inspect the resistance.

1. Using an ohmmeter, measure the resistance between the terminals.

NOTE: "Cold" and "Hot" mean temperature of the coils themselves. "Cold" is from -10 °C (14 °F) to 50 °C (122 °F) and "Hot" is from 50 °C (122 °F) to 100 °C (212 °F).

If the resistance is not as specified, replace the VVT sensor.

3. INSPECT CRANKSHAFT POSITION SENSOR

a. Inspect the resistance.