What does an indicator lamp do?

What does an indicator lamp do?

An indicator lamp is a warning device used to alert drivers of potential problems with their vehicles. Functions such as oil pressure, water temperature and the voltage are all typically wired into dashboard indicator lamps.

What does the malfunction indicator light illuminates?

The light turns on only for a reason and you should not ignore it. You should always investigate the cause. What does the Malfunction Indicator Light mean? The Malfunction Indicator Light can signal three different types of problems. Occasional flashes indicate temporary engine malfunctions.

What does a malfunction check engine light mean?

Malfunction Indicator Lamp/Check Engine Light If this indicator comes on while driving, there is a problem with your engine or its emission control systems. Even though you may feel no difference in your car’s per- formance, it can reduce your fuel economy and cause your car to put out excessive emissions.

Why does the indicator light keep coming on?

The most common case is when the indicator light stays on constantly. It indicates more serious problem that requires action to be taken; the sooner the better. Yet, sometimes the issues aren’t that serious but can affect the emissions of the vehicle, for example.

When does the OBD2 indicator light turn on?

The OBD2 system illuminates the light when there is a problem with the car’s engine, transmission or emission control system. The light turns on only for a reason and you should not ignore it. You should always investigate the cause.

What would cause the malfunction indicator light to come on?

Officially known as a malfunction indicator lamp, the check engine light can go on for a number of different reasons. In some cars, something as simple as a loose gas cap, which the car’s computer can read this as a leak in the emissions system, or even a change in humidity can cause the light to come on.

What does the malfunction indicator lamp mean?

A malfunction indicator lamp is used in the dashboard of a vehicle to alert drivers to a potential problem . Commonly referred to as idiot lights, they are designed to bring a driver’s attention quickly to the dashboard where the indicated problem can be monitored.

Is it safe to drive if malfunction indicator lamp is on?

If you drive with the malfunction indicator lamp on, the emissions control system and the engine could be damaged. If the malfunction indicator lamp blinks again when restarting the engine, drive to the nearest dealer at 31 mph (50 km/h) or less. Have your vehicle inspected. ■Check/Tighten Fuel Cap Message

Why does the malfunction indicator lamp come on?

Malfunction indicator lamp comes on if the system continues to detect a leak of gasoline vapor. If this happens, check the fuel fill cap using the procedures described above.