I have a 2004 Quest SL with around 110,000 miles on the odometer. The spark plugs have never been replaced. Since replacing the rear plugs is such an involved process with having to remove the intake, is it advisable to also replace the coil packs in the back at this time? I am not having any issues with the coils, but my luck is that one will go bad in the near future.
Thanks for any feedback,
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