Inspection Procedure 20

COMMENT
- In cases such as the above, the heat value of the spark plug may be inappropriate or low fuel quality.

TROUBLESHOOTING HINTS
The most likely causes for this case:
- Incorrect heat value of the spark plug.

DIAGNOSIS

STEP 1. Check the following items.
1. Check the following items, and repair or replace the defective items.
a. Check the spark plugs.
b. Fuel quality, octane level.
c. Check if the foreign materials (water, kerosene, etc.) got into fuel.
Then confirm that the malfunction symptom is eliminated.