TP-5594 5/954-4 Troubleshooting
Engine (Continued)
Engine emits Improper valve clearance See authorized service dealer/distributor
black or gray
exhaust smoke Lube oil level too high Drain out surplus
(Continued)
Improper lube oil Use proper viscosity oil
Engine emits Excessive engine oil Reduce to specified level
white or blue
exhaust smoke Piston ring and liner worn See authorized service dealer/distributor
Incorrect injection timing See authorized service dealer/distributor
Improper compression See authorized service dealer/distributor
Low lube oil Low lube oil level Add lube oil
pressure
Improper lube oil viscosity Drain, fill with proper viscosity oil
Defective lube oil pump See authorized service dealer/distributor
Defective oil pressure switch Replace switch
Worn engine components Rebuild—Consult Engine Service
Manual
High lube oil Too light viscosity oil Use proper viscosity oil
consumption
Oil leaks Check for leaks in lines, around
gaskets, and drain plug
Improper type of oil Use oil of proper viscosity
Clogged breather system Clean breather system
Defective piston ring, piston See authorized service dealer/distributor
cylinder liner, valve guide, or valve
seat
High fuel Improper type of fuel Use proper fuel
consumption
Clogged or dirty air cleaner element Service air cleaner element
Engine overloaded Reduce load
Improper valve clearance See authorized service dealer/distributor
Problem Possible Cause Corrective Action
To Next Page
Loading...
Need help?
General
