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  1. #1

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    2003 GTX di fuel injector tests

    Engine was purchased with a rear piston that looked like it seized. Scoring on the skirt and land popped. Cylinder itself did not seem to look seized. Assembly rotated when I bought it.

    Rebuild was done and no silver bullet was found. Everything with the motor is gold, but before I fire it up I want to rule out a clogged or stuck injector. I have not tested rail pressure yet, but the pump came on and appeared to pressurize with the dess key connected.

    Anyway to test the injector for function and spray?


  2. #2

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    No takers? I can't be the first.

  3. #3
    diamondwatercraft's Avatar
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    When you get your candoo you will be able to test if the injector is working. I do not think there is a way to test the amount of spray. Test the fuel pressure. These DI's are known for the fuel pumps failing.

  4. #4

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    How does candoo know the injector is working? I assume you could selectively fire it and look in the hole. But can't I do that by just pulling the plugs and turning it over?

  5. #5
    diamondwatercraft's Avatar
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    It lets you activate it. All you can do is listen for the noise.

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