1. Faulty Oxygen Sensor: A faulty oxygen sensor can send incorrect signals to the engine control unit (ECU), which can cause the engine to run lean or rich, leading to stalling.
2. Fuel Pressure Regulator: A faulty fuel pressure regulator can cause the fuel pressure to drop, which can cause the engine to stall.
3. Idle Air Control Valve: A faulty idle air control valve (IACV) can cause the engine to stall when coming to a stop or idling.
4. Coolant Temperature Sensor: A faulty coolant temperature sensor can send incorrect signals to the ECU, which can cause the engine to run at the wrong temperature and stall.
5. Spark Plugs or Ignition Coils: Faulty spark plugs or ignition coils can cause the engine to misfire, which can lead to stalling.
6. Vacuum Leak: A vacuum leak can cause the engine to run lean and stall.
7. Fuel Injector: A faulty fuel injector can cause the engine to run lean or rich, leading to stalling.
To diagnose the exact cause of the stalling, it's recommended to have the vehicle inspected by a qualified mechanic, who can use diagnostic tools and tests to identify the root cause of the issue and recommend the necessary repairs.
