Quote Originally Posted by aaronng View Post
Was this on the original fuel that was in the car when you bought it? The previous owner might have used only 91RON instead of 98RON.
The owner did tell me that he used a mixed of 95 i think, or maybe 91 octane with 98 throughout its life up untill now (86,000kms). you think this could have done something? if so, what could be wrong because of this??