Should coil packs be scheduled for replacement?

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Originally Posted by StevieC
Nope... When they generate a code. Even a slight misfire will trigger a check engine light. My dad's 2012 Caravan has coil overs on his Pentastar V6 and they are original at 300K


Originally Posted by StevieC
Taking the plenum off the Pentastar is like a 20 minute job. On the Caravans anyway.


Interesting, you're the first person to ever say it was a 20 minute job. That would mean a tuneup in about an hour, an hour and a quarter tops on a 3.6L Pentastar? That's great!
 
My '08 Hyundai Accent seems to have problems with the coil packs as a lot of conversation arises about that on the Hyundai forums. But I have 155k miles on mine with no problems. I did take the engine cover off the top of them though a few years ago.
 
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