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  1. J

    Wanted Wanted, 1UZ water-bridge to themostat housing thing

    Hi guys, Does anyone have one of these lying in the pile of un-needed 1UZ parts? The thread stripped while I was trying to undo the bleed plug (or whatever it's called). :o I'm in Auckland, New Zealand if that makes any difference. Jeremy
  2. J

    1UZ won't fire, weak spark?

    Hi all, I'm doing lots of head scratching trying to get the thing to start again, but not having much luck - thought someone might be able to point me in the right direction... This all started on a sunday morning of a 4wd comp, it stated missing. We had a few stages still left to do, so we...
  3. J

    Single wire O2 to heated O2 - how & what sensor?

    I'm looking at changing to using heated O2 sensors. We currently are using the stock single wire sensors, but as they are so far away from the nearest cylinder (custom headers) they don't seem to be working too well. So I'm told heated sensors are the way to go, but our ECU doesn't have the...
  4. J

    1uz Hilux with Crown ECU - Bad fuel economy

    We have a ls400 1uz in our hilux that was wired up by a sparkie to the crown ecu. Fuel economy is currently at approx 28L/100km (or 10mpg) when driving conservatively, no diag codes. Where should I start looking? EDIT: I know of another 1uz hilux that was wired up by the same guy with the...
  5. J

    Hydraulic fan ecu plug wiring, LS400 vs. SC400

    We have a LS400 fan ecu in our hilux which isn't working. I checked the plug according to the SC400 info given by Lambo here and it's wired completely different. Does anyone know if the LS400 and SC400 fan ecu are the same and/or have the same wiring? We know the fan is working fine as we have...


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