Above Forum Ad

Collapse

Announcement

Collapse
No announcement yet.

Injector Flow testing

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Injector Flow testing

    Ok iv given up

    This is my last resort,
    Does anyone know if there is anyone in Australia who can clean and flow test Audi FSI injectors ?
    Iv called up every injector shop and they all say the same thing.
    They don’t have the equipment to carry out a flow test for direct injectors.
    What the hell is going on?
    So does anyone know anywhere in this country where I can just send my injectors to get cleaned and tested before I can install them.
    Being that its going to cost around $190 or so per injector for new ones and I need a total in 10 done, buying new ones is not really a justifiable option.


  • #2
    I got a quote from LG Automotive & Dyno here in Townsville Nth QLD for a decarbon clean of my Tiguan for $900.

    That included sending off the injectors for cleaning here in Townsville and I think getting them flow tested.

    I don't remember who they said they use.

    You can ring them and check if you like.
    2015 Tiguan 132Kw 4Motion

    Comment


    • #3
      Thanks mate Ill give em a call tomorrow


      Sent from my iPad using Tapatalk

      Comment


      • #4
        I think I might just get a ultrasonic clean done and hope for the best. According to the Audi workshop Manual there is no procedure to check conduct a flow test, just mentions to clean them.


        Sent from my iPhone using Tapatalk

        Comment


        • #5
          Ok for anyone who is following this or stumbles upon this wanting an answer, I found one place in Melbourne who can clean and flow test Audi FSI injectors

          Home - Aussie Injectors

          For what I understand they are the only ones who can fully service FSI injectors. So hopefully this will help someone out.


          Sent from my iPad using Tapatalk

          Comment


          • #6
            Just digging this up to add that you can obviously flow test your own injectors, perhaps not as accurately as a dedicated test rig and not at service pressure but:

            The feed port sans oring/support washer fits nice and snug into standard 3/8" EFI fuel hose, clamp it if you like. Then all you need is a pressurised supply of your chosen fluid (eg injector cleaner). I just used a length of hose sprayed full of degreaser with my air gun jammed in the other end with a gentle trigger finger, but for ten I'd bother building a manifold with a fluid container (think old sealed oil catch can or so)

            Then you need to trigger the injectors. I bodged up some croc clips to 4?mm spade terminals from Jaycar (heatshrink mandatory if noninsul) and jammed them on by hand (bit fiddly but gets easier by injector 3...). Pin 2 is ground (not that I think it matters). Then supply 12V. I used an old AA NiMH charger plugpack, which had the lovely side effect of voltage sagging as the piezo activated just enough to shut off the injector, giving me about a 20% duty cycle by default.
            [Edit] if your injector gets hot stop, disconnect. Seek another power supply. I started out using a car battery charger, too much amps obviously.

            Last thing you need is a measuring cylinder and a stopwatch. Obvs more than one if you do them in parallel, but do say 3 runs per injector and I doubt your errors would be significant if you run them for a minute or more doing it sequentially.

            The only thing a machine does different us automate much of the process and have neat/easy connectors to save time and avoid mistakes when used regularly. The "science" (*vom*) of the procedure is the same.
            Last edited by ProfessorExperimental; 18-05-2022, 12:54 PM.
            GTI V. Saving for wavetrac

            Comment

            Working...