ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-155
4 Fuel Line Check
1) Check fuel pipe, fuel hose and joint for damage or
deform.
Are they in good condition?
Faulty fuel pressure reg-
ulator.
Repair or replace.
5 Was fuel pressure higher than specification in Step 1? Go to Step 6. Go to Step 7.
6 Fuel Line Check
1) Check fuel pipe, fuel hose and joint for damage or
deform.
Are they in good condition?
Faulty fuel pressure reg-
ulator.
Repair or replace.
7 Fuel Pump Operating Sound Check
1) Remove fuel filler cap and then turn ON ignition
switch.
Can you hear operation sound?
Go to Step 8. Faulty fuel pump.
8 Fuel Line Check
1) Check fuel pipe, fuel hose and joint for damage or
deform.
Are they in good condition?
Clogged fuel filter, faulty
fuel pump, faulty fuel
pressure regulator or
fuel leakage from hose
connection in fuel tank.
Repair or replace.
Step Action Yes No
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