Why does the Check Engine light come on?

When the Check Engine Light comes on, that means that Trouble Codes, likely identifying the causes of the issue you are having, have been stored in your car’s computer. The fastest way to resolve this is to have a Check Engine Light Diagnostic performed to obtain those Codes and start to track down the possibilities.

What’s the best way to reset a check engine light?

In such a case, it is highly recommended to check the codes with a scanner instead. Switching the ignition on and off is also one method of hard reset without disconnecting batteries. Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step.

Is it okay to drive with a flashing check engine light?

It’s never recommended to drive with a flashing check engine light. A constant check engine light can be okay to drive with sometimes, but a flashing engine light is most likely a more serious problem that has to be fixed as soon as possible.

How can I read the trouble codes on my car?

To read the trouble codes from the engine control unit, you need an OBD2 scanner. You can either drive your car to a workshop and let a mechanic read the trouble codes from the engine control unit, or you can also do it yourself if you have a scanner.

What should I do if my check engine light appears?

If the check engine light comes on, here are some tips on what you should do: Look for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating. Try tightening your gas cap. This can often solve the problem. Reduce speed and load. Use built-in diagnostic services, if available.

What causes “check engine” 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 “check engine” light usually mean?

The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.

How do you check the Check Engine light?

Put your key in the ignition and switch the vehicle to “on.” Do not start the vehicle. Once the lights on the dash come on, turn off all the vehicle’s accessories, like the radio. Then, press the “read” button on the scanner to access the check engine light code.