Gauges on a 2003 pontiac grand am sedan
What does all the gauges mean ......I'm
aware of the gas gauge as well as how the
Speedometer = Speed in MPH (US) or KPH (metric) Tachometer = Engine RPM's (revolutions per minute) how fast is the engine crank shaft spinning. Always stay below the red line area. Fuel = Indicates how much fuel you have in the fuel tank. Temp = Tells you the engine water temperature. Volts = tells you the status of your electrical system. Nominal will be 12-13 volts, 14+ volts tells you the system is charging and less than 12 volts indicates you are discharging. Any others you have that you need to know about?
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