When people say that a car is “turning over,” they are usually referring to the sound that the engine makes when you try to start it. This sound is caused by the starter motor cranking the engine over, which causes the pistons to move up and down in the cylinders, and the spark plugs to fire.
So, when someone says that a car is turning over, it usually means that the engine is cranking, but it hasn’t yet started running on its own. In other words, the car is attempting to start, but it hasn’t yet achieved ignition.
There are a number of reasons why a car might be turning over but not starting. One common reason is a problem with the battery or the starter motor. If the battery is weak or dead, it won’t be able to provide enough power to the starter motor, which means the engine won’t turn over at all. Similarly, if the starter motor is faulty, it may not be able to crank the engine properly.
Another possible cause of a car turning over but not starting is a problem with the fuel system. If the fuel pump isn’t working properly, or if there is a blockage in the fuel lines, the engine won’t be able to get enough fuel to start. Similarly, if the fuel injectors are clogged or not working properly, the engine won’t be able to get the fuel it needs to start.
Other potential causes of a car turning over but not starting include problems with the ignition system, such as a faulty ignition coil or distributor, or a problem with the engine itself, such as a blown head gasket or damaged piston rings.
If your car is turning over but not starting, it’s important to have it diagnosed and repaired as soon as possible. Ignoring the problem can lead to further damage to your car’s engine or other components, and can end up costing you more in repairs in the long run. A qualified mechanic can diagnose the problem and recommend the best course of action to get your car running again.