Silverado oil sender estimate without a pressure measurement — P0521
1. The shop suspects the sender but has not documented actual oil pressure. 2. Background: The indicated pressure drops unexpectedly at idle. Stored code: P052…
Sign in to start a discussion or reply. New accounts pick a forum username during sign-up.
Chevrolet Silverado 5.3
2013 Chevrolet Silverado 5.3: P0521 and an intermittent oil-pressure display
- The indicated pressure drops unexpectedly at idle. - 2013 Chevrolet Silverado 5.3, about 85,400 miles. I can check accessible items, but I am not set up for…