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How to Reset the Check Engine Light

Your going down the highway and you noticed that your check engine just came on, This usually is a very serious issue indicating engine problems and other even more serious problems with your vehicle.  First, take it to an experienced mechanic. However, if a mechanic is not in your budget, learn how to fix the problem yourself.

This is a very serious issue that does need to be checked into so that your vehicle passes inspection. Also to avoid more serious engine problems that could be causing this. Here are suggestions:



  • Take your vehicle for an oil change. Ask the technician to check the oil tank and gas cap. Then ask them if they could reset the Check Engine light. Most will do it for you. If that doesn't fix it, the problem wasn't coming from either of them. This means that there is another issue going on that you need to fix first, that is bringing on an OBD (On Board Diagnostics) coding conflict.

  • After you have fixed the problem that bought on the conflict with the OBD, you reset or clear the Check Engine/Service Engine soon light with one of the two steps listed below. With both of these steps, you run the risk of losing your radio and other things breaking down in your vehicle.



  1. Take your battery out. With it totally disconnected, turn on your headlights on for 10 minutes. Then reconnect the battery. This is easy, but you could lose your radio presets and other little things.

  2. Buy an OBD (On Board Diagnostics) scanning tool.  They cost around $100.00 plus tax. Or you can order them cheaper on the Internet. Most of these tools have the ability to reset and clear codes without touching the battery. Consult your operations manual of your tool, on how to do this with your specific vehicle model