Possible reasons:
Battery problems:
*Dead battery
*Battery wear or damage
* Poor connection between battery and starter
Problems with the ignition system:
* Starter malfunction
* Worn or dirty distributor cap
* Damaged or bent spark plugs
Wiring problems:
* Broken or damaged wires
* Poor connections
*Blown fuses
Computer problems:
* Malfunction of the electronic engine control unit
* Problems with sensors or actuators
Troubleshooting steps:
1. Check the battery:
* Check the battery voltage using a voltmeter. Typically it should be 12.6 volts or higher.
* Inspect the battery for bulges, cracks, or leaks.
* Clean the battery terminals and tighten them.
2. Check the ignition system:
* Check the starter by turning the key to the “Start” position. If the starter does not turn, replace it.
* Check the distributor cap for cracks or damage. Clean it and the contacts.
* Remove the spark plugs and inspect them. If they are very worn, replace them.
3. Check wiring:
* Trace the wires from the battery to the starter and ignition system. Look for breaks or damage.
* Check the fuses located in the fuse box. Replace blown fuses.
4. Check your computer:
* Connect the OBD-II scanner to the vehicle’s diagnostic port.
* Check if there are any computer fault codes.
*Consult a professional mechanic if trouble codes are detected.
Note:
* Observe safety precautions when working on the vehicle’s electrical system.
*If you are unsure of your troubleshooting skills, consult a professional mechanic.