Service Engine Light Comes On Then Goes Off

That kind of stuff.

Service engine light comes on then goes off.

Most people are concerned when it comes on. My service engine soon light came on and stayed on for about one week. The simplest way to reset the engine light is to drive the car with the light on for several miles. Then it just went off.

If it does come on again you should seek professional help or do. Now it comes on again. The reason why the check engine light comes on is because the car has failed some type of test. If you notice the engine light is still on after three days then it is time you tried some of the methods showed above or take it for mechanical repairs.

Or did it go off because it no longer senses the problem. The service required light just means the car is due for an oil change or other routine care. It may never come on again or you may find it comes on more frequently and you also might begin to notice unusual behaviour of your vehicle. Whether that is a continuous monitor like misfires or engine timing or non continues monitor like the catalyst or the evap system or air fuel ratio.

The onboard computer will detect the problem and turn off the light. It can drain the battery trigger the check engine light or even prevent the vehicle from starting. Does the warning stay on only temporarily. The light is out for now still i hope.

Understanding the check engine light on a modern vehicle may be confusing. The check engine light comes on when nothing is wrong with the car said steve mazor chief. Since the 1980s many vehicles have been built to be run by the engine computer unit ecu which controls vehicle s drivetrain and auxiliary systems based on input from the vehicle s sensors this computer will make adjustments to your vehicle s performance to keep your ride running smoothly. Knowing if we should continue driving or stop right now is difficult.

This light is the centerpiece of your vehicle s on board diagnostics system obd. Can check engine light turn itself off.