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Crankcase pressure
– Restriction in breather pipe.
– Vacuum pipe leaks or fault in exhaust.
Bad compression
– Restriction in air filter/cleaner or induction
system.
– Incorrect valve tip clearances.
The engine starts and stops
– Dirty fuel filter element.
– Restriction in air filter/cleaner or induction
system.
– Air in fuel system.
The engine shuts down after approx. 15 sec.
– Bad connection towards oil pressure switch/
coolant temperature switch.
