Why does my 2014 Silverado oil gauge fluctuate At idle it stays at 40. While at a constant speed, 55 MPH it will start going from 40 psi to 60 psi?
No other vehicle I drive does this.
Only has 3,600 miles on it. Has had
its first oil change 300 miles ago.
If the gauge is accurate there may be an issue with the oil pump or pick up tube. Take it to the dealer.
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