How I replaced the oil pressure sensor on my 2007 chevy silverado after the check engine light came on showing code P0521. Although it was an extremely tight work space I was able to replace it without removing anything but the engine cover and oil pressure sensor itself. After getting to the oil sensor it only took about 25 minutes to swap it out. The hardest part was breaking it loose because it felt like it would never budge and also if it did that it was going to snap, but after a good tug it broke free and unscrewed right out. If you don't have a code reader to reset the code, most videos I watched just disconnected and reconnected the battery to set itself back.
I hope this video helps you out and thanks for watching.

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