What happens if the ignition switch is faulty?

When the ignition switch is faulty, it can cause the vehicle to fail to start or lead to intermittent electrical issues. The ignition switch is a crucial component in the starting system of a vehicle, as it connects the battery to the ignition system and other electrical systems. If it is defective, it may not provide the necessary power to start the engine or may create unstable connections that can result in sporadic electrical problems. This can manifest as the engine not cranking or the electrical systems behaving erratically when the key is turned.

In contrast, while a faulty ignition switch could potentially cause issues with other vehicle functions, options regarding the steering locking up, excessive fuel consumption, or headlights failing to operate are typically not direct results of an ignition switch issue. Each of those symptoms generally points to different underlying problems within distinct systems of the vehicle.