Injector question

Discussion in '2005+ Ford Mustang v6 4.0L Tech' started by Dad, Jan 28, 2020.

  1. Dad

    Dad forum member

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    I changed all the o-rings on my injectors a week ago. Yesterday #4 started leaking so I popped the rail off to re-seat. All the injectors came out with the rail and popped out of the manifold as well. One of them the o-ring and the little plastic(?) collar below the o-ring came off and were down in the manifold opening. I was able to get the o-ring but the little collar went through and is gone forever. Do I need to replace that thing? There are no leaks now after reassembly.
     
  2. RLF9409

    RLF9409 My blood runs Ford blue!

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  3. 01yellerCobra

    01yellerCobra forum member

    2,228
    157
    So the plastic piece is stuck in the fuel rail?
     
  4. Dad

    Dad forum member

    610
    132
    No, it went down the intake. I have no leak currently, but I am guessing that is a very real possibility in the future. I also figure that little sucker went past the valves and is melted in the cat converter.
     
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