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 ...

The problem: Affected vehicles may exhibit an engine oil leak. This may be due to an oil leak from the threads of the engine oil pressure sensor. Vehicles affected by this service bulletin ...

Keeping your car's oil pressure within the correct range is an important part of vehicle maintenance - but what exactly is that range? Let's take a look.