Results Of Incorrect Operation

A plugged valve or hose may cause any of the following conditions:
^ A rough engine idle
^ Engine stalling or low engine idle speed
^ High engine crankcase pressure
^ Engine oil leaks
^ Engine oil in the air cleaner
^ Oil sludge in the engine
^ Engine oil consumption
^ Excessive exhaust emissions

A leaking valve or hose may cause any of the following conditions:
^ A rough engine idle
^ Engine stalling
^ High engine idle speed
^ Incorrect engine crankcase pressure
^ Excessive exhaust emissions