Fuel is turned on either by moving the power lever to "idle" position or by opening a fuel shutoff valve. If an air turbine starter is used, the engine should start or "light up" within approximately 20 seconds after the fuel is turned on.

What is the proper starting sequence for a turbojet engine?

A- Turn off the fuel and continue engine rotation with the starter. 65 (8172) - What is the proper starting sequence for a turbojet engine? B- Starter, ignition, fuel.

How do jet engines get started?

This starting process normally uses an electric motor to spin the main turbine shaft. ... The electric motor spins the main shaft until there is enough air blowing through the compressor and the combustion chamber to light the engine. Fuel starts flowing and an igniter similar to a spark plug ignites the fuel.