7-98
M4GB-01-098
6
While slowly stepping on accelerator pedal (1), check that the
engine speed smoothly increases. Then, while slowly returning
accelerator pedal (1), check that the engine speed smoothly
decreases.
Exhaust gas color is normally transparent or light blue. Al
-
though exhaust gas color slightly becomes black immedi-
ately after the engine is started or quickly accelerated, this
symptom is not abnormal. If the exhaust gas color becomes
black, white, blown, or gray, check the engine oil level and
the fuel supply system for any abnormality. In addition,
check that no abnormal noise is heard coming from the en-
gine or the muffler.
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