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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 »

www.reference.com Vehicles Car Parts & Maintenance

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 »

www.reference.com Vehicles Car Parts & Maintenance

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 »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil
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A mechanical temperature gauge uses a Bourdon tube filled with temperature-sensitive liquid to indicate temperature, while an electrical model uses a variable-resistance unit that varies current to the dial as temperatur... More »

www.reference.com Vehicles Car Parts & Maintenance

The most common reason for a coolant temperature gauge not working is a problem with the coolant temperature sensor. Signs of a bad sensor include black smoke in the exhaust, a car using more gas than usual or a car over... More »

www.reference.com Vehicles Car Parts & Maintenance

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 »

www.reference.com Vehicles Car Parts & Maintenance

To install a fuel pressure regulator, disconnect the fuel line to the old regulator, install the gauge, and then reconnect the fuel pump to the fuse. Disconnect the battery, and install the new regulator. Before starting... More »

www.reference.com Vehicles Car Parts & Maintenance