16.
TROUBLESHOOTING ENGINE (cont’d( (16.6.3) Problem Main causes Remedy Exhaust gas is white or blue Too much oil in oil pan Add oil to specified level see “CHECK BEFORE STARTING” Change to specified fuel Improper fuel Clogged air cleaner element Clean or replace, see “WHEN REQUIRED” Replace nozzle) See defective compression above) Clean or replace turbo- charger) Exhaust gas occasionally turns black Defective nozzle Defective compression Defective turbocharger Combustion noise occasionally makes breathing sound Defective nozzle Replace nozzle) Abnormal noise generated (combustion or mechanical) Low grade fuel being used Overheating Change to specified fuel Refer to “Radiator water level monitor lights up” as above Replace muffler) Adjust valve clearance) Damage inside muffler Excessive valve clearance PC450-ENG 2-97