Hi all, hope you all are enjoying your Jeeps! I started a thread a long while ago in regards to Jeep servicing in Brisbane and were amazed by the helpful responses from our fellow members here. Just thought to write this up again and see if I can get some more advises on this topic, particularly for all 3.6L owners out there. According to our servicing handbook, our spark plugs are needed for a replacement at 48,000 kms / 24 mths. However I was reading from another article that one of the main advances so to speak for the pentastar engine is the use of long life spark plugs which would run for 125,000 kms and more in order to reduce the maintenance costs. Is there any technical reason as to why we in Australia have to replace spark plugs in such an earlier stage? Also wondering if anyone made this inquiry to Jeep Chrysler? As I am very interested to know the reason behind as this very much disagrees to the purpose and the engineers who designed this engine thinking to save owners some bucks. Any comments would be greatly appreciated.
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