64 OPE_EF312T&352T_en.doc
22. Color of exhaust gas
The color of exhaust gas is black just after engine
starts and it is gray or no color during operation.
Black: Incomplete combustion due to dense fuel.
White: Engine oil is burning.
Normal exhaust may look white at
extremely low temperature.
If exhaust gas is black or white without a load on the
tractor, consult with your service dealer.
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