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  • D4d Injectors - replace or recon

    what is the deal with warranty claims regarding the injector issue, are toyota replacing genuine or reconditioning.
    07 GXL D4D Auto
    265/70/17 Cooper St, ARB Dual Battery, IP900XS Spots (crap), Black Widow Draws, Cargo Barrier,Billy Lovell combo, polyairs, reverse camera,

  • #2
    Re: D4d Injectors - replace or recon

    Hi White Lightning

    Toyota have stated that these injectors are "not serviceable". I had 4 new injectors installed after my D4D engine blew up. Each injector has a unique serial number and, apparently, that number contains some of the injector's characteristics. That is why they cannot be swapped around as the engine management computer needs to know exactly what injector is in which cylinder so as to provide fine control over the engine management.
    When the injectors are replaced, a special Toyota programming unit plugs somewhere into the car and the engine management computer is told what injector is where. Complex huh?

    Cheers - John
    Dune D4D GXL, ARB bar & racks, Kings/Bilsteins, diff & g'box breathers, underbody protection, air comp, brake controller, Garmin Nuvi, Scangauge II, AGM aux battery & RanOx.

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    • #3
      Re: D4d Injectors - replace or recon

      That really does sound like overcomplicated BS from Toyota about the D4D injectors. Surely with 10's of thousands of them out there, they would be of standard callibration and interchangeable?

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      • #4
        Re: D4d Injectors - replace or recon

        That really does sound like overcomplicated BS from Toyota about the D4D injectors
        I agree
        2008 Diesel Prado with extra stuff added. I drive it on the road and other places too.

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        • #5
          Re: D4d Injectors - replace or recon

          Hi,

          What Toyota says is correct, each injector has certain tolerances don't ask me
          why though, you would think with computer precision machining they would
          all be the same but they aren't. When they are made they are measured and
          calibrated and coded accordingly. When they are installed the technician
          has to enter the code into the computer for each injector.

          Cheers
          LeighW
          HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others

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          • #6
            Re: D4d Injectors - replace or recon

            You are actually 100% correct about the individual injector thing. I hadn't heard of such a thing before.

            I stumbled apon this article from the manufacturers. http://www.densocorp-na.com/news/pr.php?Action=223
            2008 Diesel Prado with extra stuff added. I drive it on the road and other places too.

            Comment

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