2007 Chevrolet Lumina Repair Question
Topics covered: Engine, Wiring, Oil pressure.
Mileage: 160,000 miles.
Mileage: 160,000 miles.
Asked on October 11, 2011
Po521 engine oil pressure sensor/swicth range performance
Suddenly showing check engine and I put scanner and showing PO521 engine oil pressure sensor/swicth range performance, what is the solution for this?
Asked by Jojan KollattilAnswer
Replied on October 11, 2011
Either you have a wiring problem (check for shorts or damage to wiring) or the sending unit itself is bad.
