- Faulty ignition switch
- Bad battery or loose battery connections
- Malfunctioning starter solenoid
- Alternator failure
2. Fuel issues:
- Clogged fuel filter
- Faulty fuel pump
- Blocked fuel lines
- Injector issues
3. Engine problems:
- Lack of compression
- Timing chain or belt failure
- Worn piston rings
- Seized engine
4. Transmission problems:
- Transmission fluid leaks
- Internal transmission failure
5. Other causes:
- Overheating due to coolant leak or faulty thermostat
- Vacuum leak causing lean fuel mixture
- Failed oxygen sensor