Check the battery
* Check the battery voltage (it should be above 12 volts).
* Clean the battery terminals from corrosion.
* Try starting the engine using a jump starter or another working battery.
Check the starter
* Check if the starter turns on when you turn the key (you should hear a click).
* If the starter does not turn on, check the wiring and connections.
*You can tap the starter with a hammer to release stuck parts.
Check the ignition system
* Check the spark plugs to make sure they are clean and free of smoke.
* Check the spark plug wires for damage or breaks.
* Check the ignition coil and make sure it is working properly.
Check the fuel system
* Check if fuel is flowing into the engine (you can disconnect the fuel line and check for flow).
* Check the fuel filter for blockages.
* Check the fuel pump for serviceability.
Check other electrical components
* Check the fuses and relays that are associated with starting the engine.
* Check if the car alarm (if installed) is working.
* Check wires and connections for breaks or damage.
Check for error codes
* Use a trouble code scanner to check for stored fault codes. They can point out a specific problem that needs to be addressed.
Contact a mechanic for help
If you cannot determine the cause of the problem yourself, contact a certified mechanic for help. They will be able to conduct a more thorough diagnosis and repair your car.