Changing spark plug/wires 2002 Sonata?

My wifes sonata is starting to feel like it is mis-firing. Rough Idle/poor acceleration/almost stalling. Just wanted to know how hard it was to change the plugs, I have heard you have to remove the intake manifold. If that is the case sound pretty intensive, do you recommend doing it your self or taking it in?Changing spark plug/wires 2002 Sonata?
If it is the V6, the plugs are located 3 in the front and 3 in the back. The 3 in front are accessible by removing the plastic cover of the engine. The 3 in back need access by removing the header. You will need a deeper socket wrench to fit over them.Changing spark plug/wires 2002 Sonata?
I am going to be chaginging my V6 Sonata 2006 spark plugs for the first time and was wondering if I should both changing the wires (if applicable) Can you give me any info or suggestions on this?

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Changing spark plug/wires 2002 Sonata?
if this a v-6 it would be best if you take it to your service provider. not a real simple job.Changing spark plug/wires 2002 Sonata?
Take a look at it see if you can get to the plugs, wires, and disturber if you can and get your tools in there go for it.