OPERATION
2-103
16.4.3 ENGINE
! ( ): Always contact your distributor when dealing with these items.
! In cases of abnormalities or causes which are not listed below, please contact your distributor for repairs.
Problem Main causes Remedy
Engine oil pressure ! Engine oil pan oil level is low ! Add oil, see 12.2.3 CHECK OIL LEVEL,
caution pilot lamp lights (sucking in air) ADD OIL page 2-34
up ! Clogged oil filter cartridge ! Replace cartridge, see 24.6.1 CHANGE
! Defective tightening of oil pipe joint, (! Check, repair)
oil leaks from damage parts
! Defective eng oil pressure sensor (! Replace sensor)
OIL, REPLACE OIL FILTER page 3-47
Steam is emitted from ! Cooling water level low, water ! Add coolant, repair, see 12.2.1 CHECK
top part of radiator leakage BEFORE STARTING page 2-33
(pressure valve)
Water temperature ! Clogged radiator fin or damaged fin ! Clean or repair, see 24.2.5 CLEAN THE
gauge is in red range RADIATOR CORE page 3-35
coolant temperature ! Defective thermostat ! Replace thermostat
monitor lights up ! Loose radiator filler cap (high altitude ! Tighten cap or replace packing
! Loosen fan belt ! Adjust fan belt tension, see 24.8.6 CHECK
! Dirt or scale accumulated in cooling ! Change cooling water, clean inside of
system cooling system, see 24.9.3 COOLING
operation)
! Defective water level sensor ! Replace sensor
FAN BELT TENSION page 3-60
SYSTEM, REPLACE COOLANT AND
FLUSH SYSTEM page 3-64
Water temperature ! Defective thermostat (! Replace thermostat)
gauge is in the white ! Defective monitor (! Replace)
range on left
Engine does not start ! Lack of fuel ! Add fuel, see 12.2.3 CHECK FUEL
when starting motor is LEVEL ,ADD FUEL page 2-34
turned ! Air in fuel system ! Repair place where air is sucked in, see
! Defective fuel injection pump or ! Replace pump or nozzle
nozzle
! Starting motor cranks sluggishly See ELECTRICAL SYSTEM
! Preheating pilot lamp does not light See ELECTRICAL SYSTEM
up
! Defective compression
" Defective valve clearance " Adjust valve clearance
24.7.1 REPLACE FUEL FILTER page 3-
52
Exhaust is white or blue ! Too much oil in oil pan ! Add oil to specified level. See 12.2.4
! Improper fuel ! Change to specified fuel
CHECK OIL LEVEL, ADD OIL page 2-34
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