- Bad or defective fuel pump
- Clogged fuel filter
Ignition system
- Faulty spark plug
- Faulty ignition coil
- Bad distributor or faulty wiring
Air intake system
- Dirty or blocked air filter
- Malfunctioning MAF sensor (mass airflow sensor)
- Vacuum leaks
Sensors and modules
- Faulty/failed crankshaft or camshaft position sensor
- Bad engine coolant sensor
- Defective throttle position sensor
- Faulty accelerator pedal position sensor