Why Is the Check Engine Light on

Engine Light

Depending on your car and where you bought it, you likely have a light that tells you when something is wrong. The light says either “check engine” or “service engine soon”, or something along those lines. No matter what it says, you likely feel a sense of impending dread when you see it. There are some options for what you should do when the light comes on. The first option is not to panic. The light comes on to let you know that something is wrong; in the past, you didn’t know that something was wrong until your car broke down. It’s a definite improvement.

What to Do

When your service engine light comes on, you need to schedule garage services in NP20 as soon as you can.

  • Vehicles produced in the late 1990s and after have OBD II systems that produce codes.
  • Many OBD II codes are standardised. So, the error message from a BMW will be the same as the error message from a Honda.
  • However, there are also specialised codes that are unique to each car manufacturer.
  • You should make sure that you get your car to a mechanic who can read the OBD II codes as soon as possible.
  • You should also make a mental check of anything that might be wrong with your car.

Have You Noticed Anything?

Sometimes, the code will tell mechanics that something is wrong but it won’t actually tell them the extent of the effects. For example, some vehicles disable the cruise control when unrelated sensors malfunction. This is not a precautionary measure so much as a way to create motivation to replace the sensor. Either way, if you don’t tell the mechanics that the cruise control is malfunctioning as well, they’ll never know.

Joe Lee
Hi, My name is Joe Lee and I am the founder of My purpose of creating this blog is to spread the knowledge of auto with others.

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