Answer     on a 2001, with the 3.3, the knock sensor is under the water crossover pipes, which are under the intake manifold. Pain to change.
courtesy Filson A duffel bag is easier to stow than a suitcase. This one is by Filson. Luggage may seem like a great graduation gift, but for the kid going off to college it has real drawbacks. Any parent who has moved a teen into a tiny dorm room knows there is usually no place for suitcases. The better gift is a set of duffle bags that can be stuffed under a bed when not in use.
You may even be graduating too. You can gauge how much to spend based on the gifts you receive from your friends and try to spend about the same. If you have not gotten any or if you are all doing a gift exchange at the same time, somewhere in the $15-$30 range should be good.