06 Suburban 2wd Z71

I have a 06 Suburban 199k, just had break job, rebuilt transmission in July. Has a misfire on #4. I'm done fooling with it. I'm 2nd owner. Good tires , exterior andinterior in very good shape. I drive it every day to work. Going to get something better on fuel $2500 can text pictures

Somebody last week was looking for one. Good hunting vehicles.

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When you say it has a misfire on one cylinder and your tired of fooling with it, sounds like a dead cylinder. If that's the case,bits gonna need a new engine or at least rebuild the head on that side.

OBD says misfire cylinder 4 . Haven't took to the mechanic. Just not able to fool with it physically. I drive it everyday and doesn't give issues. Sounds like crap idling

Where you located ??

Trussville

Might just need a spark plug then. I thought you done tried everything, sorry. If you do try everything and it still misses, spray carb cleaner around the intake to see if it changes idle. Could be an intake leak. Forgot to mention that earlier. I learned my lesson on buying them with missfires. I took a chance and lost big time. Most people are gonna assume the worst til you get rid of the miss. 👍

Is it throwing a code?
Have you tried to swap parts (coil and plug wire) around with another non mis firing cylinder?
If the misfire moves to the other cylinder, it's either the coil or plug wire or both

Text pics to 2054741717