A.formation of carbon on the intake and exhaust ports
B.high water jacket temperatures
C.overheated pistons and cylinders
D.an increase in lube oil viscosity due to fuel dilution
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A.produce a scavenging effect in the combustion space
B.equalize cylinder and exhaust manifold pressures
C.alleviate the difference in valve size between the intake and exhaust
D.flush out condensate that collects after each compression stroke
A.high exhaust temperature and low firing pressure
B.high exhaust temperature and high firing pressure
C.low exhaust temperature and low firing pressure
D.low exhaust temperature and high firing pressure
A.cutting out individual injectors and noting engine performance
B.checking lube oil temperature
C.checking cam position
D.using a timing light
A.increased carbon buildup
B.burning of intake valves
C.excessive firing pressures
D.increased fuel consumption
A.improving cylinder scavenging
B.preheating the combustion chamber
C.reducing air charge density
D.preventing valve wear
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