High fuel consumption
Less oil consumption
Excessive oil consumption
Engine will be over heated
High oil consumption
Low fuel consumption
Lower power generatio
Engine will not start
Improper tappet clearance
High oil level
Engine overheating
Low oil viscosity
Less water level in the radiator
Clogged air cleaner
Defective thermostat valve
Exhaust manifold clogged
Engine does not start
Engine over heating