
Maintenance Manual for J2 Sedan
Mechanical Part of Engine
115
II. Preparation
The special tools are listed in the table below:
List of Special Tools
S.N.
Tool
Outline Diagram
No.
Explanation
1
Fuel pressure
gauge
JAC
-
T1F018
Measure fuel pressure
III. Fuel System
1. Check Fuel Pipe
Check the fuel pipeline, fuel filler cap and fuel tank for proper installation, leakage, crack, damage,
loose connection, worn and aging.
2. Inspect Fuel Pressure
Attention:
■
Always keep the joints of fuel hose sealed with O-ring.
■
Do not operate electrical system during inspection.
■
Prepare a container under the fuel pipe to be disconnect to avoid fuel splash.
1) Fully release fuel pressure. Please refer to “Release Fuel Pressure”.
2) Dismount the nut for fuel pressure inspection door on fuel injector guide rail.
3) Connect fuel pressure gauge.
4) Set ignition switch at “ON” position and check for fuel leakage.
5) Start engine and check if there is fuel leakage.
6) Obtain the reading shown in fuel pressure gauge.
■
Fuel pressure: 350KPa
Attention:
■
Do not check fuel pressure during system operation.
■
During the Inspection of fuel pressure, please always check the fuel piping for leakage.
7) If the check result is not good, turn to the next step.