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isuzurob wrote:yellow= is fuel adjustment, red= is base idle screw, when you wind fuel screw the idle increases so have to adjust base idle<br/><br/>Shiester! you are right I marked them backwards. That's right I now remember my MU's idle was low when i bought it. Idle then got to normal after ...

In this post is a picture of my late MU with 4JG2 where there is same bolt.<br/><br/><!-- l --><a class="postlink-local" href="http://www.clubisuzu.com/viewtopic.php?f=19&t=824">viewtopic.php?f=19&t=824</a><!-- l --><br/><br/>Note: Old MU was smashed in an accident. NRMA wrote it off due to ...

97 Jackaroo 4JG2.

Red Circle is supposedly fuel adjustment

What is this bolt circled in yellow? It is covered with aluminum (or tin) cap similarly to the fuel adjuster from factory.

4JG2 fuel pump.jpg

Hey Mate,<br/><br/>Nice job with the MU. If you remember, how easy was 50mm body lift? Also where from and how much was the kit if you remember?<br/><br/>I am thinking to get 33" wheels and body lift is somewhat necessary.<br/><br/>PS: Your dump pipe done magic for my MU. I also got the rest of the ...

I have a stock standard 3.1TD MU in the workshop at the moment. If I get a chance I can draw a diagram and mark all the vac lines as where they go and what color they are marked.

"The vac to the butterfly thing on the turbo side of the intercooler" works together with the exhaust brake for cold start, as far as I know. But it is not needed really in Australia. Point (B) may be left out. No need to block it. I've removed the solenoid (B) on my mate's car completely since I've ...

This is a rough drawing of what I did on my 3.1 Turbo.<br/><br/>Since I blocked off EGR and removed all the lines and solenoids, I don't have a faintest idea how the lines would go.<br/><br/>Also the Vacuum Pump is on the rear of Alternator.<br/><br/><!-- ia0 -->vacuum diagram.JPG<!-- ia0 --><br ...

It's much easier then I though it was. The vacuum line from the vacuum pump is needed if there are solenoids. Block it off if all solenoids are removed.<br/><br/>Since I remover EGR and exhaust throttle those solenoids and actuators were obsolete. I left one solenoid for A/C RPM regulator. The one ...

Or a hand drawn diagram can also do the job

Does anybody have vacuum lines diagram for 1994 model Isuzu MU 3.1 TD 4JG2 belt drive.<br/><br/>I recently did a top end rebuild on 3.1 4JG2 1994 model. Replaced turbo and removed EGR. During the rebuild we accidentally pulled some Vacuum hoses off solenoids near air intake pipe above on the ...