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Figured I should update this with the fix. As Kelvin correctly suggested, carrying out the IAC reset cured the problem. Had to make a plate to blank off the inlet plenum, then a few starts seem to have fixed it. Thanks again for the help!

So I've only got 2 wires left to figure out. Reverse and ECT. I know there's an 'R' wire in the 26pin white plug, but no idea where this connects to in the surf to enable the reverse lights. As for the ECT, I know this ends up at the green/brown wire at the ECT switch, but no idea where the...

I checked the sensors cold and hot. 1k ohms when cold, 1.2k hot on all three. Its a UFC20 with ecu 89661-50251 As for the IAC reset, I’m a little confused as in your video you had a spare, which I don’t have, so not sure how to carry out the reset. Am I just blanking the air hoses?

Well I checked the resistance of both cam sensors and crank sensor, and they’re all reading 1k ohms when cold. Strangely, plugged everything back in and it seems to run better now, so must have been bad connection. Still shows code 12 though, and when it gets hot, the idle is hunting up and down...

Ufc20. I actually looked at your iac reset video, but my iac looks quite a bit different. You can’t see the plunger, just a small hole when you take it off. Mine also has an additional coolant pipe that goes into the top of the thermostat housing near the top hose. I pulled only one code...

I’m nearing the end of my swap into my gen 2 surf, but I’m having some running issues. The car starts fine, but seems to be running incredibly rich, even after getting up to temp. Also when you rev it, it really starts popping and banging towards the top of the rev range. It almost sounds like...

Not sure my emails to Kelvin are getting through, or he’s enormously busy, but can anyone assist with the following? 1) I stripped all the transfer box loom from the hilux, and ran it back to the 2 plugs in the hilux. Is there anything else that needs connected for it to work as it did before...

Hi Kelvin, thanks for that mate. I have actually sent you 2 emails. You wouldn't mind checking your junk folders for them would you?

Hi guys. So I'm coming towards the end of my build which is a '95 LS400 1uzfe engine and box into a '94 Gen 2 Hilux Surf KZN130. I've looked at so much information out there, including buying wiring diagrams from Kelvin @ Cartune, but I'm still a bit bamboozled with some of the wiring. Could...