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Home >> Mitsubishi >> 2003 >> Montero Sport V6-3.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Inspection Procedure 20
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Inspection Procedure 20

Knocking

COMMENT
- In case 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: )
- Inappropriate heat value of the spark plug.

DIAGNOSIS

STEP 1. Check the following items.
Carry out 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.) Then confirm that the malfunction symptom is eliminated.
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