5 Signs it is Time for Cooling System Repair

What is Your Check Engine Light Telling You?

Uh oh, the check engine light is on. First of all, don't panic. While many people assume the the problem causing the light to illuminate will be the huge ordeal that costs thousands of dollars, it is more likely the case a simple tune up service is required. Besides, you want your car to run its best, right? By completing check engine light diagnostics and repairs as soon as the light comes on you'll be able to maintain fuel efficiency and keep your vehicle healthy. The following are a few of the most common reasons the light may come on.

Bad Sensors

Your car uses numerous sensors throughout the vehicle to monitor operation. Some of those sensors could trigger the check engine light to come on if they were to malfunction, such as the following.

  • MAF Sensor - The mass airflow sensor measures the incoming air and determines how much should be mixed with the gasoline. If it goes defunct it could cause a sharp decrease in fuel efficiency, thus triggering the light. This is a quick and easy fix.
  • O2 Sensor - On the other end of the vehicle is the oxygen sensor. It measures oxygen in the exhaust to also help calculate the correct air/fuel mixture. A malfunctioning o2 sensor can also result in a decrease in fuel efficiency. If this problem is left unresolved it could infer damage to the catalytic converter.

Failed Catalytic Converter

If it is found that the catalytic converter has failed you're in for a nasty surprise. This is one of the most expensive parts to replace on a vehicle, but it wouldn't have failed if you had gone to the shop earlier for check engine light diagnostics.

Misfiring Spark Plugs

Is your car running rough? Is the check engine light on? You can almost be positive that the spark plugs need to be replaced. This service is generally needed every 30,000 miles or so.

Exhaust Leak

Because an exhaust leak can alter the readings of the oxygen sensor it can result in the illumination of the check engine light.

Broken or Loose Gas Cap

In a best case scenario you will find out that you simply forgot to tighten the gas cap after filling up. If gas fumes are able to escape out of the filler hose the light will be triggered by the EVAP system. Always be sure the cap is not cracked and is tightly secured each to you get gas.

To scheduled check engine light diagnostics in Lake City you'll want to reach out to the technicians at Clayton Auto Service. We use modern tools to quickly and accurately identify problems at our full service auto repair shop. Give us a call today at (404) 341-6487 to request an appointment for expert auto maintenance in Lake City or the neighboring communities.

Clayton Auto Service Blog

Written By Brian Corey

Published By MORBiZ

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