Can someone help me out with this question on my 1997 Chevy S10 Pick-up?

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My truck has a 4.3 L multi-port injection engine. Pulling a code for #3 cylinder mis-fire. I pulled the plug and it IS firing. Compression check is good and fuel pressure is good. Any idea's what the problem might be? Appreciate it, thanks.
 
You pulled the plug and it's not firing it's "misfiring" You're going to be into plugs, wires and check your coil.
 
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