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Why Is My Check Engine Light On?

Posted March 13, 2018 8:15 AM

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


Let's get the urgency issues out of the way first. If your Check Engine light is flashing, that means that something is wrong that could cause engine damage. Naturally, you need to get that taken care of right away. If your check engine light is flashing, you shouldn't drive at high speeds, tow or haul heavy loads. Take it easy all the way to your Willoughby service center.

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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 friendly and knowledgeable pros at Lakeside Certified Auto to get it checked out.

Some more information on how the Check Engine light works may be helpful for Willoughby drivers. Most of your 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 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 vehicle's 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 computer doesn't know if it's 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 didn't 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, 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. Your friendly and knowledgeable pros at Lakeside Certified Auto 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 technician a starting place as he diagnoses the cause of the problem.

 

Lakeside Certified Auto
38525 Lakeshore Blvd
Willoughby, OH 44094
(440) 946-0076
http://www.lakesidecertifiedauto.com



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What People Say About Us

  • reviewicon
    , 03/05/2024

    Good honest folks! Very pleasant and very informative and VERY helpful!

  • reviewicon
    , 01/07/2024

    Awesome shop. Had work done on my 2016 KIA a few times and the work was exemplary and the cost was reasonable. I highly recommend!

  • reviewiconTires, near Willoughby, OH
    , 12/11/2023

    Great service! Very conscientious and highly communicative with car owner. Had tires replace at 71K miles. Tech called about needing rear brakes and rotors. Provided cost and I immediately approved. Picked up SUV a little later. These are great technicians and very honest. I highly recommend and will be back.

  • reviewiconTires, near Willoughby, OH
    , 12/13/2023

    I been having my car worked on there for quite a few years now. My son's child hood friend work there. He a 5 star mechanic. The business there is top notch. The price is very good. I come all the way from the Westside of Cleveland to Willoughby Ohio because it's hard to find a good mechanic shop.

  • reviewicon
    , 11/30/2023

    This was my first visit to this neighborhood business and we were very impressed. They checked my concerns, found nothing wrong, and we weren't charged. What I needed would have required a fair amount of time and effort ... no charge! We will definitely return for any service needs for our 2 cars. Thank you Lakeside Auto.

  • reviewicon
    , 11/18/2023

    Used to live nearby, moved 30 miles east and still make the trip because of fair prices and honest service I trust.

Call us for service: 440-946-0076

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