Emission Control Devices: 1B-2
Crankcase Emission Control System Description
B944H11201002
The engine is equipped with a PCV system to prevent discharging crankcase emissions into the atmosphere. Blow-by
gas in the engine is constantly drawn into the crankcase, which is returned to the combustion chamber through the
PCV (breather) hose, air cleaner and throttle body.
1
2
“C”
“A”
“B”
I944H1120017-01
1. Air cleaner box “A”: Fresh air “C”: Blow-by gas
2. PCV (breather) hose “B”: Fuel/Air mixture
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