Description

The poor fuel pressure could cause delayed starting. After setting up the fuel pressure gauge, inspect "Fuel Pressure".

Diagnostic Procedure
Fuel Pressure Inspection
1.

Check the fuel for excessive water,alcohol,or other contaminations.

2.

Install a fuel pressure gauge.

3.

Engine "ON"

4.

Check fuel pressure of the fuel pressure gauge.

A.

Specification : Approx.350kpa (3.5㎏/㎠, 49.8psi)

5.

Is the fuel pressure within the specified value?

YES

Go to "Remain Pressure Inspection procedure" as below.

NO

Check blocked fuel filter or fuel leakage

Remain Pressure Inspection
6.

Install a fuel pressure gauge.

7.

After engine starting, stop it at normal fuel pressure condition.

8.

Check decrease in fuel pressure after engine stopping.

A.

Specification : Approx.350kpa (3.5㎏/㎠, 49.8psi)

9.

Does fuel pressure remain after engine stop?

YES

Fuel pressure is normal.

NO

Faulty check valve of the fuel pump or fuel

Яндекс.Метрика