What is wrong when service engine soon light comes on?

What can cause service engine soon light to come on?

Reasons for Service Engine Soon Light

  • Faulty or Loose Gas Cap. This is one of the first things you should check if the service engine light comes on. …
  • Low Fluid Levels/Scheduled Service Overdue. …
  • Contaminated Gas. …
  • Malfunctioning Oxygen Sensor. …
  • Wires And Spark Plugs. …
  • Faulty Mass Airflow Sensor.

How do I fix my service engine soon?

This is by far the cheapest cause for the Service Engine Soon Light to come on. Simply turn off the engine, remove the fuel cap, and tighten it back up again. Maybe you just forgot to have it screwed around the whole way through the last time you filled up your car.

Is it safe to drive with service engine soon light on?

That having been said, you can probably drive safely with the service engine soon light on, as long as it is on solid and not flashing. If the service engine light is flashing, you should pull over immediately and call for roadside service and have the vehicle towed to the mechanic.

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Can service engine soon mean oil change?

Some manufacturers use the service engine soon light instead of the check engine light when there is just a minor problem with your car and not a severe problem. It could also mean that it is time for a scheduled service, such as oil or spark plug replacement.

What is the difference between check engine and service engine soon?

The simplest way to describe the difference is that the Service Engine light informs us of upcoming expected maintenance. On the other hand, the Check Engine light informs you of an unexpected problem occurring in your engine or exhaust system.

How do you clear service engine soon light?

The only way to keep the light off is to repair the problem that turned the light on before attempting to turn it off.

  1. Turn the ignition switch to the on position but do not start the car. …
  2. Count seven seconds, depress the gas pedal and hold it down for 10 seconds or until the service engine soon light begins flashing.

Will disconnecting battery reset service engine soon light?

If you leave the battery disconnected for about 15 minutes, the vehicle systems will be completely reset when the battery is reconnected. It will clear the error codes and reset the check engine light if the battery is disconnected.

How long does it take for service engine soon light to go off?

The Light Stays On

You may think that there is still a problem with the car after the repair, but it’s because the light needs time to reset. The car’s internal computer only resets after a set period where it checks all of its sensors once more. The reset can happen automatically after around 10 to 20 cycles.

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Can AutoZone check service engine soon?

AutoZone can diagnose Check Engine Light codes, yes. If your engine light turned on and you are wondering why, head down to your local AutoZone where one of our store associates can help diagnose the issue through our free Fix Finder service.