found out what was wrong with my car the number 1,3,and 5 plugs had the gap fully closed off some how.So I did a comprission test and the 1,2,4,5,6,cylinders are at 180 psi or 12 kPax and 3 is 145 psi or 9.5kPax.The specs are for my car are 8.5:1 I think that would be kPax but not sure any help would be appreciated thank you