It is impossible for your vehicle to operate without a timing belt. It connects the camshaft to the crankshank. It also helps the valves open and close as well as move the pistons. You may notice several things if something is wrong with your timing belt. There may be odd sounds coming from the engine. There may be a ticking noise. It may also indicate that the oil pressure in your engine is low.
The check engine light can also tell you that something is wrong with your vehicle. The engine light can be lit for many reasons, which is why it is important for you to take your vehicle to the mechanic on a regular basis. Additionally, the engine may misfire. The engine will start to lose its power and may not start at all.