Denso CRS - Troubleshooting by System Categories

Repair Section
2
–
99
4. TROUBLESHOOTING BY SYSTEM
4.1 Intake System Diagnosis
Clogged air cleaner element
4.2 Fuel System Diagnosis
Clogged air cleaner element
1 Clogged air cleaner element Clean or replace the air cleaner.
2 Check the suction path for leaks.
• Suction path joints
• Suction pipes, hoses
Repair or replace the malfunctioning compo-
nent.
Normal
1 Fuel system check (remaining fuel quantity, fuel
properties)
• Check the amount of fuel remaining in the
tank.
• Check the condition of the fuel. Request
engine analysis from a third party as neces-
sary.
- Color (no color, brownish, milky)
- Odor (kerosene, heavy oil, irritating odor)
- Separation of materials (water, foreign
objects)
- Viscosity (high/low viscosity, wax consis-
tency)
Add fuel or replace components (clean tank.)
NG
OK
NG
OK
NG
OK