1999 chevrolet blazer

Well you could explain if it ran before you did the work. What exactly it does now and what you have checked.
Best guess based on what you did is that the cam sensor is out of sync. Or the timing is off a tooth or more.
Reply to
Steve W.
At night time, watch plug wires with someone cranking it. I had bad wires once, and blue sparks everywhere.
Reply to
bilz2765

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