bar 670 - Problems Affecting Exhaust Emissions

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1) Removal or alteration of any part of the intake, fuel, or exhaust
systems.
2) Altering or defeating the governor linkage or speed-adjusting
mechanism to cause the engine to operate outside its design parameters.
4. Problems affecting exhaust emissions
1)Difcult starting or difcult stopping.
2)Engine speed is unstable.
3)Muffler exhausts black smoke, blue smoke or fuel and oil consume
abnormal.
4)The engine backre, abnormally stop or re gun.
5)Too early ignition.
EXHAUST CONTROL SYSTEM SERVICE