Cessna 172S Engine Instruments
The fuel gauges indicate the quantity of fuel in each tank; once the quantity in either tank drops below 5 gallons for more than 60 seconds, the associated Low Fuel annunciator will illuminate.
Oil Temp and Pressure
The oil temperature and pressure instruments indicate both the normal operating range and the lower and upper limits.
Vac and Amp instruments
The vacuum and amp instruments show the status of their associated systems.
EGT and Fuel Flow
The Exhaust Gas Temperature and Fuel Flow gauges allow the pilot to maintain the engine parameters within prescribed limits.