Multiple random misfire. where to start ? all new plugs. Said misfire on cylinder 4 before ....

 

Probably the coil.

 

Coil(s) i think you will need to replace the rest but befor you do there are some other things that need to be covered.. you would benefit more if you gave some more detail..... Year, mileage, any previous work done etc... How does it run? Rough? Did you replace it with OEM or aftermarket? What kind of plugs did you use? Aftermarket coils suck! And you (most of the time) will get a CEL even if its functioning properly. Are there drivability issues or you just have a code?

 

Def don't need two threads about the same thing.

 

Thanks, ill check a few things before I take ot to the mechanic in the morn.

I know 2k, check me post in the othet thread :/

 

Took it to me mechanic today and he cleared the codes. Started it up and gave an error of misfire on cylinder 6. Long story short I guess the brand new plug I put in was faulty becauae that fixed it!

 

Hopefully it was just the plug, but that is pretty rare...it is more common to have a faulty ignition coil. Just have to keep an eye on it...

 

I will for sure. Rides like normal right now.