CHEVROLET SILVERADO OIL PRESSURE SENSOR

My Vehicle Has 175k Miles On It, But I Changed Out The Engine With A New Crate Engine At 100k Miles. I Didn't Change Out All The...

I Have A 7.4 L Vortex V8. The Ops Is At The Back Close To The Firewall. It Cannot Be Seen By Eye, Just Felt By Hand. It Is A Plastic...

My Oil Pressure Sits At About 39 Psi Idling, And Would Always Stay In Between 39-42 Psi. I Recently Changed The Oil, And Used 5-20 Instead...

Where Is The Oil Sending Unit Located?

My Oil Pressure Gauge Fluctuates From No Pressure To High Pressure In Idle And When Driving. How Would I Come About Changing The Oil...