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Thought I'd fill you guys in... I managed to wire the thing finally and get it across the finish line of two desert rallies out here. Both running 33 inch tires with 4.1 diffs across some deep and demanding sandy terrain, the 1UZ was awesome!!! We added an oil cooler for the second rally just...

Update! We managed to take the car out for an open run off the road. The engine is still running rich but after the run has developed some missing issues and a bit of a backfire in the left bank. Have checked plugs, injectors and switched igniters. Will try to replace the plug wires with...

Update... We finally managed to put the wiring back in the car again. We soldered the links and put heat shrinks on them which took us a while as the loom was a disaster. The engine is running quite smooth and revs up better but I have a few (more) questions: 1. For the AFM wiring, if we...

Thanks a million @Gloverman! But there is more :) This one relates to the two connectors on the left (6 pin) and right (4 pin) of the injector (blue connector): As I understand, the 6 pins connector has 2 each for 1x crank position and 2x cam position sensors, correct? Understand...

Thanks once again Gloverman! I got immersed in another set of projects and only have little time for the wiring while the truck and the engine gather dust :) I have a few very basic questions starting from: What are the three sensors you see out here on the front right of the engine? Two...

OK. Was away earlier and I finally got home and got a chance to check the loom. As it turns out the injector wires are doctored, it is an early engine with new gadgets and guess we have had it wired and running as sequential ignition... Haha! @Gloverman: My apologies! Your analysis is spot...

Oh and I should add that the loom on the engine was cut I guess at somepoint where it would have gone into the the firwall. The electrical shop I worked with did not change anything inside the loom but had to extend the wires to hook it up to the ECU in the dash.... the ecu had different wiring...

@Gloverman: Many thanks for your time, interest and appreciation here. Really appreciated. Yes, we had been driving and blasting the truck around for a couple of months before I decided to open up the loom. The performance was not consistent, one day we would have engine missing /...

Oh boy, that really makes my day! Always thought it was a Celsior engine given that the Lextreme engine variants write up says that "Crown - plenum has a “4 CAM 32” badge on the plenum and the plug covers say "Toyota"". Surprisingly we ever got it off the ground as supposedly difficult to run...

BTW it IS possible that my engine and ECU may be from different cars :( though hopefully that is not the case. Several pics of the engine on the detailed build thread for the car on the IJC Forum here: http://www.ijc.com.pk/forum/viewtopic.php?f=22&t=183&start=50

Many thanks. I believe the ECU is 89661 - 50241 or could be its 59241 (less likely) can't really tell from the pic, will reconfirm later. Its got 34P, 22P, 16P and 28P: . Marking on the engine cover when I got it said UCF21: On 1, if thats the cold start injector, I wonder where I would...

Hi everyone! I am in the process of rewiring my 1UZ after the initial job done on it turned out to be quite problematic. Using stock ECU and the original loom that came with the engine which was in pretty bad shape and cut up. The electrical shop who did the wiring did not have 1UZ experience...

We managed to fix the rev limiter, it was actually a faulty injector which was replaced. Rig is running much smoother, albeit it is much more scary now to drive :)

Many many thanks! Thats some helpful info. We managed to fix the rev limiter, it was actually a faulty injector which was replaced. Rig is running much smoother, albeit it is much more scary now to drive :) There is still some missing at the lower end which will hopefully be fixed with new...

We have done an Toyota LandCruiser FJ40 1UZ-FE conversion using a manual H150F TLC gear box. The FJ40 is running nicely except that the rev limiter which is kicking in rather early at around 5000rpm. Not sure if this is some remnants of traction control, auto trans or something else. Have...

The 1UZ is still pretty much unchartered territory around here and we have run the manual trans using an adapter plate and toyota clutch, flywheel and pressure plates. The FJ40 is running very nicely and is a lot of fun to drive on the road, touch wood! We are experiencing the rev limiter...

Pics of Engine and Rig! Here are some pics of the engine and ride. See the following link for more photos and the complete story: http://www.ijc.com.pk/forum/viewtopic.php?f=22&t=183&start=50

The Lextreme forum has been the prime inspiration in going for the 1UZ-FE engine on our ongoing FJ40 Build. We are running an H150F manual transmission and TLC 70 series diffs (with 4 wheel disc brakes and eLockers). We have nearly completed the mechanical aspects and the car/jeep is on the...