Here's how you typically start an engine:
1. Turn the key in the ignition or press the start button.
2. Engage the starter motor. This turns the crankshaft, which in turn spins the pistons and gets the engine turning.
3. The engine ignites. Fuel is injected into the cylinders and ignited by a spark plug (in gasoline engines) or through compression (in diesel engines). This creates the force that drives the engine.
There's no "lock" on an engine itself. If you're having trouble starting your engine, there could be a few issues:
* Battery problem: A dead or weak battery won't provide enough power to start the engine.
* Fuel issues: There might be a problem with the fuel system, like an empty tank, a clogged fuel filter, or a faulty fuel pump.
* Ignition problems: A faulty spark plug, spark plug wires, or ignition coil can prevent the engine from igniting.
* Engine problems: There might be a mechanical issue with the engine itself, like a broken timing belt or a faulty starter.
If you're having trouble starting your engine, it's best to consult a mechanic or refer to your owner's manual for specific instructions.