P0521 Code: Engine Oil Pressure Sensor/Switch Range/Performance - In The Garage with CarParts.com
Error P0521 and U1424---Jeep Cherooke | Jeep Garage - Jeep Forum
Code: P0521; Engine Oil Pressure Sensor | Chevy Silverado and GMC Sierra Forum
How To Fix a P0521 Code Chevy Silverado Sierra Tahoe – BackYardMechanic
P0521: Should You Keep Driving? What It Means & How To Fix
Need help* p0521 keeps coming up. Replaced the oil pressure switched once. Screen was already removed. Why is it coming back and what else could cause this? : r/ChevyTrucks