Why Nissan elgrand glow plug light flashing?

The glow plug light on a Nissan Elgrand flashes to indicate a problem with the vehicle's glow plug system. The glow plugs are responsible for heating up the engine's cylinders before starting, which helps to improve cold-weather performance and reduce emissions. If the glow plug light is flashing, it means that one or more of the glow plugs is not functioning properly. This can cause the engine to start hard, idle rough, or even stall.

If you see the glow plug light flashing, it is important to have the vehicle inspected by a qualified mechanic as soon as possible. Driving with a faulty glow plug system can damage the engine.

Here are some of the possible causes of a flashing glow plug light:

* Faulty glow plug: One or more of the glow plugs may be burned out or damaged.

* Glow plug relay failure: The glow plug relay is responsible for supplying power to the glow plugs. If the relay fails, the glow plugs will not receive power and the engine will not start.

* Engine temperature sensor failure: The engine temperature sensor is responsible for sending a signal to the engine control unit (ECU) that the engine is cold and needs to be preheated. If the sensor fails, the ECU will not know to turn on the glow plugs and the engine will not start.

If you are not comfortable inspecting and repairing your vehicle yourself, it is best to have it taken to a qualified mechanic.