Join Date: May 2004
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4.3 TBI problems
I have a 92' blazer with the 4.3. It is stock except the flowmaster muffler, k&n filter and the TBI spacer.
The spacer is whats giving me problems. After installing it it goes better in the mid range and up, but on the bottom end, especially at a stand still you can put it to the floor and it will bog like a crab.
Is this something that is common and is it just doing the same as a carb with the injectors not keeping up? I thought it was just a vac leak at first but can't find one. i even used either!!!!! Let me know if anyone on here has some ideas.
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