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1. Normal cylinder compression.
2. Normal spark plug spark.
3. Something wrong with the fuel
system.
4. Smooth fuel flow.
Fuel is too filthy or deteriorated.
Drain extra fuel, dry up spark plug
electrodes.
Select proper fuel brand corresponding
with the requirements.
1. Normal cylinder compression.
2. Normal spark supply.
3. Normal high – pressure coil
spark.
4. Spark plug is in bad conditions.
Too much carbon deposit and dirt
around electrodes.
Electrodes are burn damaged
seriously or insulators damaged.