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  1. Help with stuck injector poppets on 2003 4.3 S10

    S10 / Sonoma
    Issue resolved. The wire bottle idea worked. After bending in the tabs and top of the pintle tube with a small flathead screwdriver, I was able to stick the wire brush into the tube and remove it from the plenum. I ordered an assortment pack of brushes from Amazon for about $10 and used a size...
  2. ac almost stops blowing when accelerating?

    Heating and Air Conditioning
    You should definitely check the vacuum line that oldeerslayer pointed out. This comes up fairly frequently in the forums, usually under the subject line "where does this hose go", because the hose comes loose and the connection isn't obvious. The nipple he mentioned is very short and is...
  3. Help with stuck injector poppets on 2003 4.3 S10

    S10 / Sonoma
    Thanks for the clarification. This is a image of the piece I am talking about, removed from the injector assembly itself (this is from one of the ones that came out whole). I think they are also called "pintle tubes". They have 3 tabs on the larger end of the tube that lock into place when they...
  4. Help with stuck injector poppets on 2003 4.3 S10

    S10 / Sonoma
    Looking for any crazy ideas anyone may have. I'm doing a swapout of a bad spider injector on a 2003 S10 4.3 . I managed to get half of the injectors out with the poppets still attached, but 3 injectors came out leaving the poppets stuck in the manifold. I've seen this come up before and the...
  5. 03 S10 4.3 2wd - where does this hose go (pic included)

    S10 / Sonoma
    Just finished a major maintenance on my 2003 S10 (4.3 L, RWD), It runs great at start up but idles too low after it warms up. I think this vacuum hose in the picture may be the problem but I can't find anywhere that it connects to. It's strapped with a factory tie to a wire bundle that runs over...
  6. MFI conversion worth it?

    262ci Forum (4.3)
    Just following up on the pooling comment - I am almost finished on a rebuild of a 2003 S10, and after reading this thread I am feeling a little nervous that I didn't check for leaks properly after I installed the new injector, but I've already closed the top end up and would prefer not to take...
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