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Injector Feedback Value Results Cold Rattle

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  • Injector Feedback Value Results Cold Rattle

    https://www.youtube.com/watch?v=E3DPqPQ4Wz0

    See the youtube link for the techstream results. Number 3 looks like it's on it's way out starting at -2.5 when cold to -0.8 when hot.

    I have developed a cold rattle. As soon as the engine is up to temperature the rattle stops.

    I have booked the car in at Toyota to do a feedback value test in order to get a second opinion. What do you guys think?

    GXL 2010, 105,000 original injectors.


  • #2
    the feedback value is only item to check in regards to injectors . personally i would get an injector specialist to determine if there is any leakage past the seals.

    Comment


    • #3
      Do the test a few times, its amazing how much it varies. My values have often been around 2 in the first 2 minutes since I started doing the tests several years ago. Also keep an eye on injector volume, which I believe should be 8-9 or less
      [B]Steve[/B]

      2010 Silver GXL Prado 150, D4D Auto, with a few non standard bits

      Comment


      • #4
        Thanks Krypto. My volume started quite high around 14-15 but settled to 7.5 once hot. I'll do the test again and report back.

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