New problem with my truck, 350, quadrajet was rebuilt maybe 6 months ago, new fuel lines, new pump and new gas tank and sending unit. As I accelerate, after the engine is warmed up, I started getting a 'miss', a sputter, where it is like it would die. It keeps going, but the sputter is the same as when I start the engine, don't let it warm up enough and try to drive and it would sputter and if too cold, die. That is why I think it is a fuel issue. I seemed to get it more at speeds around 45-50, don't go much faster though. If I stomp on it when it sputters, it stops. Replacing the cheapo fuel filter is my first step, but any ideas?
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