A.valve will open later
B.valves will close later
C.amount of fuel injected will be increased
D.amount of fuel injected will be decreased

A.a leaking fuel injection nozzle
B.a clogged air filter
C.early fuel injection
D.burned valves

A.on the power stroke
B.on the exhaust stroke
C.at the end of the power stroke
D.at the start of the intake stroke

A.early fuel injection timing
B.leaking valves
C.a continuously open scavenge air port
D.low cooling water temperature

A.clogged air filter
B.compression stroke
C.burned exhaust valves
D.all of the above

A.intake stroke
B.compression stroke
C.power stroke
D.exhaust stroke