04 Xterra Supercharger Knock Sensor 2nd time??
I just took my X to the shop to get the spark plugs changed. It has 106k on it. Lately I have notice that at 4500 - 5000 rpm it kinda sounds like the fan or something kicks in loudly. It has seemed under powered, but it also is due for plugs. The Dealership called me this morning and told me that my supercharger knock sensor is out and needs to be replaced. I asked how much it was he told me $900! My only concern... this has been replaced once already! about 2 Years and 36,000 miles ago my check engine light came on one day, they replaced the sensor and some canister for the supercharger (exhaust or something?) I don't really know what it was..but it was covered under warranty at that point! But now, it isn't.
Has anybody else had issues with these going out so often?! I am mechanically inclined, and am considering replacing it the second time myself, has anyone replaced it before? Any tips, suggestions, ideas?
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