Jeep Compass Forum - View Single Post - Rough idle...Normal?
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post #9 of Old 09-05-2019, 03:35 AM
arudlang
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Join Date: Oct 2017
Posts: 711
 
Quote:
Originally Posted by Johnjones23072
So I decide to look at owners manual and found that plugs are due @60000 miles and no @100000 like all other vehicles. I quickly found out why, in the infinite wisdom of Fiat Chrysler they put regular ngk plugs instead of platinum plugs like most other manufactures.
I love to bash Fiat where bashing is due, but its worth mentioning that the 2nd gen (2017.5+) with the 2.4 are now coming with "dual precious-metal spark plugs" and the book says they get replaced at 100,000 miles, so it would seem they have remedied this deficiency and it is not contributing to why our 2nd gen 2.4s have a rough idle.
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