Q:I bought a 2004 Ram 1500 with the 3.7-liter V-6 a year and a half ago, and never had any real problems. Now the check gauges light has been coming on, and the oil pressure gauge sits at zero when at ...

Your engine’s oil pressure is one of those things that needs to be just right. If it’s too high or too low, it can be indicative of other problems. This is especially true with high oil pressure, as ...

Your Mustang’s fuel, temperature, and oil pressure gauges all work on the same principle—resistance to current flow to ground and how that affects needle position in the gauge. In fact fuel, ...