What Your Check Engine Light is Trying to Tell You

- A check engine light coming on in your car is never something a driver wants to deal with. The light could mean a vehicle needs expensive repairs, or it could be something as simple as a gas cap not being screwed on tight enough. But not matter what it is, the matter of the fact is you’re going to have to get your engine checked.

In 2010 CarMD published a list of the five most common check engine light codes. Here they are in order or frequency.

·         O2 Sensor (part of the emissions system monitoring and helping adjust the air-fuel mixture)

·         Loose gas cap

·         Catalytic converter

·         Mass air flow sensor (monitoring the amount of air mixed in the fuel injection system)

·         Spark plug wires

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