Q: I have a 2010 GMC Sierra with a 5.3-liter engine. Recently the check engine light came on and, after having it diagnosed, I was told the oil pressure sensor switch was faulty. I had the switch ...
Most of us aren't watching our oil pressure like we do our social feeds — but maybe we should. Oil is your engine's lifeblood, and oil pressure is like blood pressure. If it drops too low or spikes ...
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