There are a few key signs that your car may need engine repair. If you notice any of these, you must check them out immediately. The most common signs include: Strange noises coming from the engine – If you hear a knocking or ticking sound, it’s likely a sign that your engine needs repair. Loss of power – If your car seems to be lagging or losing power, it could mean that the engine is struggling to keep up. Excessive smoke from the exhaust – If you see black or blue smoke from the exhaust pipe, it could mean the engine isn’t running efficiently. Engine warning light – If the engine warning light illuminates, it signals that your car needs an engine repair. Ignoring signs your engine needs repair can be dangerous. If you don’t get it fixed, engine failure could lead to expensive and time-consuming repairs. Engine failure could also put you and others in danger if you’re on the road. Some of the other dangers of ignoring engine repair signs include increased emissions. If your engine isn’t running efficiently, it will produce more emissions, which could harm the environment. Poor fuel economy is another sign. If your engine isn’t running as well as it should, it could mean you’re using more fuel than necessary. Lastly, reduced performance can happen. If your engine isn’t running properly, it can affect the performance of your car, making it difficult to accelerate or reach top speeds.