Cylinder 5 misfire on an 03 ST V6

The problem turns out to be the O-rings and and an ignition coil boot. How big of a job is this (time and complexity wise) and how much should I expect to pay (including changing the intake manifold gaskets etc)?

Thanks!

 

Not too difficult. If you are paying a shop, I'd expect somewhere around $300 for parts and labor.

 

Your car is now 11+ years old. Miles?? That always helps too.

I would change all the coils and all the plugs if they have not been done already.

The 6 cylinder has its own unique problems with IMT valves and vacuum leaks. I would plan to do a major fix all at once. If not it's very common to keep losing one coil here and one coil there so you end up going back in several times when if you did it all at once you would be done!
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Here are some prices and ideas from 2011:


https://www.jaguarforums.com/forum/s...tenance-49309/