The tech came over and ran diag, what he saw is 4 cyl misfire, he is possitive is the spark plug is dead,

I paid him $80 for the diag, and his labor for replacing spark plug/wire is $120, so he can buy a set of spark wire for $130-140, he does not have the price for the spark plug ( my guess each plug is $6-10 the most)

He also recomend to change the fuel filter, and he charge $40 /labor, I will pay for the part

I would like to do it my self, but since I want to hold him accountable for what he finding, I will let him do the work.
In the other hand, I heard that replacing the spark plug is PIA, so I might as well go for it

Will post back the result Monday,when the parts is come for replacement

Thanks