Quote:
Originally Posted by humfrz
Well, IF the sound you are hearing is caused by pre-detonation (commonly called these days - detonation or engine knocking), it doesn't need to be scary.
It's usually caused by using poor gasoline or gasoline with too low of an octane rating. I would suggest that the next time you fill up, to use a different (name brand - top tier) gasoline station and select the pump with the highest octane rating.
Meanwhile let the dealer try to sort out the cause of that sound.
humfrz
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First i assumed it was engine knock, but then i ran a datalog with my open flash tablet (the car is stock map btw i havent touched the ecu) and the log showed no knock correction or anything i could point out that could be causing it.
I will try what you said however, waiting 3 days till its serviced and will report back here what happened.
Ill upload a video with the exact datalog + sound of in cabin so u can see all the finer details.