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Depending on how your vehicle is designed, that modified voltage travels directly to the temperature gauge-- more common on cars built before 1996 -- or back to the car’s computer, which then controls the temperature gauge in the instrument cluster.


The temperature gauge is an important tool in your vehicle that shows the temperature of your engine’s coolant. Contact YourMechanic and have your car inspected for overheating if it reads too high, as this can cause serious problems.


When the temperature gauge on a friend's 2001 Pontiac Aztek shot into the red zone, he asked me to check it out. This video shows some general cooling system checks, bleeding and how to use a ...


General Motors temperature gauge troubleshooting. Temperature gauge troubleshooting begins with isolating the problem either to the gauge, sending unit, fuse or wiring. As with any electrical troubleshooting it is best to check all wiring connections are clean, tight and free of corrosion.


Q: Fuel and Temperature Gauge Problems. I have an inoperative fuel gauge ( always full ) and temperature gauge ( always cold ); the oil pressure and alt gauges are both operational. Several “shadetree mechanics” tell me the problem may be in an improperly grounded rally cluster metal case.


A broken temperature gauge can lead to expensive vehicle repairs. It is very important to test gauges to ensure they work properly, because an inaccurate reading can cause serious damage to the vehicle's engine or to the driver. Most gauges in today's cars run on an electrical system. With a few simple tests, ...


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 overheating frequently. The check engine light also comes on when there is a problem with the coolant temperature sensor.


When the gauges in your car aren't working, the problem could be the sensor or gauge, but don't rule out a fuse, bad ground, or instrument cluster. When the gauges in your car aren't working, the problem could be the sensor or gauge, but don't rule out a fuse, bad ground, or instrument cluster. ... Using your coolant temperature gauge as an ...


How to fix Engine Temp Gauge, Fuel Gauge, Speedometer and Tachometer (easy) ... 96-98 Chevy pickup temperature gauge ... How to Fix a Gas Gauge (Sending Unit Replacement) - DIY Car Repair ...


Car thermostat problems happen unexpectedly. Usually, you'll start to notice that your car begins to overheat soon after you fire up the engine, or the temperature gauge on your dashboard remains below its normal temperature point.