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I run a Holley version of the 4.3 TBI. Several years ago I went through several injectors that seemed to be demonstrating the same behavior you describe. I eventually traced the problem down to bad, but partial connection in one of the wires.It has now been several years since I replaced an injector, and in fact the ones that I am running were ones that I previously pulled out because the weren't "working".
I run a Holley version of the 4.3 TBI. Several years ago I went through several injectors that seemed to be demonstrating the same behavior you describe. I eventually traced the problem down to bad, but partial connection in one of the wires.
It has now been several years since I replaced an injector, and in fact the ones that I am running were ones that I previously pulled out because the weren't "working".
