Engine warning light came on over the weekend. As I had Subaru Assist under warranty was able to get a hire car and a truck to take it to a dealer.

The dealer has advised that it was the knock link sensor.

1) What could have caused this?
2) Should the replacement of thsi be covered under warranty


Cheers

 

I may be wrong, but i would have thought that it was the knock sensor and not 'knock link sensor'. the knock link sensor is a stand alone sensor that does not affect the engine whatsoever....
Some components can just fail sometimes....
Rob

 

Thanks you are right it was the knock sensor.

Could it have been caused by water for instance??