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3 San Antonio Locations to serve you:
12715 Nacogdoches Rd.
4818 Blanco Rd.
3438 SW Military Dr.
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210.646.9348
210.646.7097
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Check Engine Light

Why Is My Check Engine Light On?

 

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

Letís get the urgency issues out of the way first. If your family carís check engine light is flashing, that means that something is wrong that could cause severe engine damage. Naturally, Converse drivers should get that taken care of right away at Cordova Auto Centers.

If your check engine light is flashing, you shouldnít drive at Converse highway speeds, tow or haul heavy loads. Take it easy all the way to your Converse service center.

If the light is glowing steadily, Converse auto owners should keep an eye on it for a day or two. If the light doesnít go off, schedule an appointment with Cordova Auto Centers to get it checked out.

An explanation on how the Check Engine Light works may be informative. Most of your family car 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 Converse.

In order to make these adjustments, the 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.

A simple example is a loose or missing gas cap. This may cause one of the sensors to read out of range. The family carís computer doesnít know if itís a serious condition that caused the reading or just a loose gas cap, so it stores a trouble code and turns on the Check Engine Light.

Now when you tighten up the gas cap the sensor readings will be in the correct range. The computer will keep checking on the report for a day or two. Since a bad reading didnít come up again, it turns off the Check Engine Light. The computer will also try to make adjustments to compensate for some readings. If it can do so, itíll then turn off the Check Engine Light. If the problem canít be resolved then the light will remain on and you should get your family car looked at at Cordova Auto Centers.

Your Cordova Auto Centers 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 the Cordova Auto Centers technician a starting place as he diagnoses the cause of the problem.

At Cordova Auto Centers in San Antonio TX (78217) we install quality NAPA replacement parts. Give us a call at 210.646.9348. To learn more about NAPA AutoCare, visit www.NAPAAutoCare.com.

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