Why Is My Check Engine Light On? Automotive City Has Answers

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The Check Engine light strikes fear into the hearts of some Grass Valley drivers and is totally ignored by just as many. Just what it means is a mystery to most of us in CA.

First, if your vehicle Check Engine light is flashing, that means that something is wrong that could cause severe damage to the catalytic converter or other components. Get that taken care of right away. If your Check Engine light is flashing, you shouldn't drive at Grass Valley highway speeds, tow or haul heavy loads. Take it easy all the way to Automotive City in Grass Valley.

If the light is glowing steadily, you should keep an eye on it for a day or two. If the light doesn't go off, schedule an appointment with your Grass Valley service advisor to get it checked out.

Some more information from Automotive City on how the Check Engine light works may be informative. Most of your vehicle engine functions are controlled by a computer, not surprisingly, called an engine control computer. The computer is able to adjust many engine parameters for environmental conditions, engine condition and even the way you drive in Grass Valley.

In order to make these adjustments, the vehicle computer relies on a network of sensors to provide data. The computer knows the proper operating range for each sensor. When a sensor reading is out of range the computer runs some tests and may turn on the Check Engine light.

The vehicle computer will also try to make adjustments to compensate for some readings. If it can do so, it'll then turn off the Check Engine light.

If the problem can't be resolved then the light will remain on and you should get your vehicle looked at at Automotive City. Your friendly and knowledgeable service technician will plug a scanner into the on-board diagnostic port and read the trouble code stored in the computer. The trouble code will give your Automotive City technician a starting place as he diagnoses the cause of the problem.

Give us a call.

Automotive City
530.273.3195
13326 Brunswick Rd
Grass Valley, CA 95945