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An oil pressure gauge can fluctuate for many reasons, including an actual automotive problem as well as reasons like fluctuation in oil temperatures. In most cases, the gauge will fluctuate to indicate low oil pressure. ... More »

Checking the oil pressure of a car using mechanical gauges requires removing the oil pressure sending unit and attaching the gauges, according to Mark Gittelman for YouFixCars.com. Such gauges provide a more accurate rea... More »

If a driver does not check the oil pressure in his vehicle, engine problems, many of them preventable, go unnoticed. The vehicle's oil level should be checked at least once a month to make sure there is enough and that i... More »

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Fuel gauge problems are commonly the result of faulty electrical grounding at the tank or a problem with the sending unit inside the tank but can also be caused by faulty wiring or a bad fuse. Troubleshooting the problem... More »

To determine car tire pressure, unscrew the valve stem cap of the tire, press the air pressure gauge onto the valve stem, and record the readings. However, before checking the air pressure of tires, ensure that the vehic... More »