Oil fluctuating on gauge
I have a 2011 Tahoe. The oil gauge fluctuates even after changing the oil
sensor and oil pump. I even had the oil and filter changed. It goes to 40 lbs at
startup but then goes to 20 lbs. once warmed up. When you stop at light or stop
sign it goes as low as 5-8 lbs.Can someone suggest my next step please.