What Are the Reasons Why the Ignition Device Cannot Start the Engine?
1 Answers
The reasons why the ignition device cannot start the engine are as follows: 1. The battery cannot hold a charge: If the vehicle has no power after being parked for just 1 day, aside from the battery's own sulfation (which prevents charging), it may be due to a leakage in the vehicle's wiring harness. 2. Short circuit in the coolant temperature sensor: If the engine fails to start after multiple attempts and the spark plug electrodes are very clean, it may be due to a short circuit in the coolant temperature sensor. 3. Clogged fuel filter: While driving, the vehicle's speed suddenly drops and continues to decrease until the engine stalls. After stalling, restarting may allow the engine to start, but the speed remains very low, and the engine cannot maintain operation, eventually stalling again and failing to restart. 4. Anti-theft system lock: When the anti-theft system is locked, the steering wheel cannot be turned, and the anti-theft indicator on the dashboard lights up. The control unit will interrupt fuel supply control but not the ignition. The engine cannot start, indicating that the steering wheel and ignition switch are locked by the central control. Applying force to rotate the steering wheel until it moves will cause the anti-theft system to automatically unlock, allowing normal startup.
