What can be a consequence of not monitoring fuel temperature?

Not monitoring fuel temperature is critical because temperature fluctuations can significantly affect fuel behavior, potentially leading to fuel vaporization. If the fuel vaporizes in the lines or components, it can disrupt the flow of fuel to the engine, which results in decreased engine performance. This can manifest as power loss, erratic engine performance, or even engine failure if vapor lock occurs, where vaporized fuel prevents liquid fuel from reaching the engine.

Maintaining proper fuel temperature ensures that the fuel remains in a liquid state and optimally dense, providing the necessary energy for combustion. Therefore, the implications of inadequate temperature monitoring extend beyond immediate operational concerns, impacting overall safety and efficiency of the aircraft.