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4JX1 Engine and some useful references

The following are useful references for the Jackaroo [4JX1 – Diesel UBS-73]

1. Alternate to the OBD-II

Quality source of tuning materials, which relpace the TECH-II instrument and can be read on a lap-top through the Jackaroo’s UBD-II port.

You need a Universal OBD-II Scan Tool w/Bluetooth Wireless Interface to use immediately. This one is well priced and available by post from Melbourne. An alternative is also on e-bay.

Order here for the package, which is immediately available for download, installation and use.


2. Videos to show some solutions for the 4JX1 engine

The videos show how the HUEI works and how some repairs can be effected and replacing injector seals.

TECH-II usage and training

How TurboCharger works and repairs


3.Workshop Manual – UBS-13

Workshop manual – UBS13 [1982-1984 Jackaroo/ Trooper


4. Other useful UBS-13 files

Weber Trouble Shooting Guide

UBS-13 Parts Numbers Weber – parts breakdown

Weber Carbie – Problems

Weber CARBURETOR SET UP AND LEAN BEST IDLE ADJUSTMENT

Weber Manual – K610


5. UBS – 73 Files

1 – 4JX1 – oils comparison v0.5

2 – Jackaroo – Isuzu Trooper Wikipedia

3 – Injector maintenance HUEI kit

4 – 4JX1Injectors_Article

5 – Throttle Body Maintenance

6 – 4JX1 Valve Adjusting

7 – 4JX1 – Piston specifications

8 – Jackaroo – 4JX1 – MIL Codes

10 – Flash Diagnostic Trouble Codes

11 – oil-rail-pressure-meter

12 – Battery Isolator – Surepower_1314_1315

13 – Flywheel replacement and setup – TN006

14 – Injector Seal Replacement – Part Nos

15 – Diesel Smoke Diagnosis Guide

16 – DTC74 – Trouble Codes

17 – Intake Throttle Valve – ITV Diagram

18 – Glow Plug removal and replacement

19 – Audio wiring diagram

20 – Tightening Torques

21 – Error-code 74

22 – ECM_Codes

24 – Immobilzer – UBS

25 – Rail pressure system low or high voltage


 

 

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