2001 Chevy Surb. 5.3L strange missfire.?

Car18

New member
I have a missfire in number 7 and 2 cyl. This only happens at idle, after 2K RPMs it goes away. I have a full code reader so I can watch the missfire. 7 missfires about 3 times as much.. I have eliminated.
Plugs, coils, injectors, plug wires, and now I am just stuck.
 
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