elm327

  1. B

    ELM327 Dongle for 1UZZ VVTI

    Hello, I searched around the forum for elm327 compatibility for a 1999 1uz vvti (toyota celsior variant specifically) as per info on this forum. I found the mini vci cable helps but is there a elm327 adapter these days that can work? None of the ebay links i found are hosted anymore. Wanting an...
  2. V

    OEM 3UZ ECU TUNE/FLASH

    Hi All, So I have been doing some research regarding the OEM lexus 3uz/1uz vvti ecus which are OBD2 compatible. Many claim that tuning the oem ecu via OBD2 is impossible(well all info online is dated pre-2010 anyway). There are actually multiple tuning interfaces that have cracked the...
  3. V

    High/weird Idle, Dead e-throttle, CEL

    Hi, I have a 1uz VVTI out of a 2000 GS400 in my 240sx . Lately I've been having a strange issue. When I start the car, the RPMs start out at ~1500 (normal), but then instead of gradually dropping over time as the car warms up, the RPMs slowly rise to about 2k or so. They may go higher but I...
  4. B

    Restore lost power 1uzfe vvti

    Hi, my 1uz runs from 0-100 in more than 10s (11-12s) but to my understanding it should be running close to 7.0 seconds flat. I was wondering what i could do to bring back lost power and make it run as good as in the begining. The car even struggles to push at speeds above 110km/h. Seems to have...
  5. eicca

    My power curve ain't right ('98 1UZ VVTi)

    This happens under anything less than full throttle. As the revs build, right at 3700rpm WHAM there's a sudden jump in power. It's a noticeable push back in the seat. I assume this is the ACIS switching to short runner intake mode. The engine seems to be running fine, but I don't think this is...
  6. J

    Some OBDII and Data Link questions

    So, I'm trying to get my OBDII port up and running. As I understand it, the OBD Port is Data Link Connector 3 Following the wiring diagrams, I see there should be 4 pins wired up on the plug: pin 7 - SIL (with a grounded shield) pin 16 - +12V pin 4 - CG (grounded) pin 5 - SG (grounded) I...


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