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Discussion Starter #1
I'm running the old DW 1000cc injectors and E85 with a protune. One of the injectors will not seat correctly into the manifold. I'm throwing a P0171 code likely due to this. Any ideas on why this injector wont seat correctly and keeps popping out? I've attached a picture of one of the injectors that seats correctly and a picture of the one that is popped out.
 

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Discussion Starter #3
The fuel rail is not bent as the stock injectors seat fine and this one particular injector continues to pop no matter where I place it.
 

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When i installed my injectors I also had a really tuff time seating two of them. Best bet is check for corrosion, clean and try again to get it seated. Becareful not to rip a o ring.
 

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My guess was going to be the old o-ring, but you already checked for that. Maybe a little extra loving lube to guide it along.
 

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Discussion Starter #16
I think I found the problem! The top of the injector is missing a small plastic washer see the attached pic... any ideas on where I could get another one or something similar?
 

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Discussion Starter #18
If I can find anything its gonna be a pain in the ass. Its plastic and has a perfect fit so its gonna be a biotch to get on and to have size right
 

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If I can find anything its gonna be a pain in the ass. Its plastic and has a perfect fit so its gonna be a biotch to get on and to have size right
get a friend to bring you to a hardware store, and bring the bad injector and a good one so you can verify the sizes
 
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