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What could cause the check engine light to come on in a 2018 Hyundai Elantra?

When your check engine light comes on, this could be as commonplace as tightening or replacing your gas cap. Likewise, the check engine light could also be a warning of a relentless problem that could cause relentless damage to your engine and come with a large repair bill. Depending on your make and model, the check engine light will illuminate or blink. A logical glow mostly means something less relentless but a flashing check engine light indicates that your vehicle’s engine is in relentless trouble and service is fundamental now. If your check engine light is flashing in your 2018 Hyundai Elantra, we immensely endorse not to drive the car and schedule Hyundai service straightaway. Below is a list of the most fundamental reasons your check engine light can come on:

  • Issues with any aftermarket items. An aftermarket alarm, exhaust or extra item can wreak havoc on your 2018 Hyundai Elantra if it’s not installed properly. These aftermarket parts and accessories can drain the battery, trigger the check engine light, or even prevent the automobile from starting. If these issues sound prevailing, bring your Elantra to Hyundai and have our team of certified mechanics ensure that your aftermarket items were installed correctly and aren't causing any issue. Getting accessories, especially aftermarket parts and accessories, or using OEM parts first place might cost a scant bit more but could save you money from having to get poor work and damage caused by poor installation work corrected.
  • New Spark Plugs or Plug Wires are needed for your 2018 Hyundai Elantra. The spark plugs are the part of your engine that ignites the air/fuel variety in the combustion chamber of your automobile. This explosion is what moves the pistons and makes the engine run. The spark plug wires deliver the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are detrimental or erstwhile, you will experience poor performance and reduced power. In some extreme cases, your engine will have trouble starting or continuing to run. Worn spark plugs and plug wires can cause clogged catalytic converter or damage to ignition coils and O2 sensors, extensive to more expensive repairs.
  • Your 2018 Hyundai Elantra has a vacuum leak. Every Hyundai Elantra has a vacuum system that performs a wide variety of functions. The vacuum system also helps lower harmful emissions by routing the fumes as gasoline evaporates through the engine. If you notice that your RPM is high in idle or randomly surges, a vacuum leak could be the cause. Over time, vacuum hoses can dry out and crack, especially if they’re exposed to imposing heat or extreme bitter.
  • Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your Hyundai Elantra is what determines how much fuel is needed to run your engine efficiently by measuring the dump of air entering the engine. As a part of the engine management system, the mass airflow sensor helps adjust to courageous changes, like altitude. If your Hyundai Elantra is having trouble starting, idling rough or has a speedy change in the position of the throttle pedal, this could be a sign of a detrimental mass airflow sensor.
  • The battery is low or dead. The battery in your 2018 Hyundai Elantra is every splendid. Without a car battery, your car won’t start, light up the road ahead, play the radio or charge your phone. Today’s car batteries last much longer than they did copious decades ago, and they don't actually require maintenance. The estimate of a new one depends on the type of Hyundai you drive, but check our existing service coupons and specials.
  • Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, prevailing as the O2 sensor, measures the dump of oxygen in your exhaust system. If there is excess oxygen in your exhaust system, fuel burns faster and your automobile will be less competent when it comes to fuel economy. So what happens if I don’t replace your O2 sensor? A faulty sensor can not only affect your miles per gallon, but it can cause damage to your catalytic converter and your 2018 Hyundai Elantra's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to choose the right variety of air and fuel that enters the cylinders in your engine. A detrimental O2 sensor can also cause a car to fail an emissions test.
  • One of the most prevailing and many cause is that your 2018 Hyundai Elantra gas cap is loose, damaged or missing. The gas cap for your 2018 Hyundai Elantra serves multiple purposes. It prevents gas fumes from being released when you aren't driving, it seals the fuel system and helps maintain pressure within the fuel tank. What happens if you have a detrimental fuel cap? If your gas cap is erstwhile or has a ruptured seal, you can lose fuel through evaporation which will result in more trips to the pump. Luckily, to replace a gas cap isn't expensive. If your check engine light turns on immediately after you put gas in your 2018 Hyundai Elantra, first thing you should check is to make sure the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump.
  • Your catalytic converter is detrimental or going detrimental. The catalytic converter is a part of your 2018 Hyundai Elantra’s exhaust system. The catalytic converter's function is to turn the carbon monoxide created by the combustion process into carbon dioxide. A damaged catalytic converter is usually caused by neglected maintenance, which is why Nalley Hyundai offers a complimentary multi-point inspection with every Hyundai service. If you have an issue with your catalytic converter and don't get it repaired, your 2018 Hyundai Elantra will not pass an emissions test, show a lack of engine performance and will negatively affect your fuel economy. Your car may run at a higher temperature, too, which can cause extra problems from overheating.

Will the check engine light reset itself?

The check engine light on your 2018 Hyundai Elantra will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going sane, and you did a few of stop-and-go driving, that may have turned on the check engine light due to the high usage of the converter. In most cases, your 2018 Hyundai Elantra light will go off after about 20-40 miles. If you drive over that amount and the light is still on, you will need to bring it in to Nalley Hyundai so the light and code can be double-checked and reset.

Check Engine Light Service 2018 Hyundai Elantra

What do you do when you’re driving along in your Hyundai Elantra and quickly, a yellow light illuminates on your dash and says "Check Engine". If you’re like most Hyundai owners, your heart sinks a miniature because you have miniature idea about what that light is trying to tell you or how you should react. The fear of the unknown (or the cost of the unknown) can be just as stressful. But take a deep breath and realize the light coming on doesn’t suggest you have to pull the car over to the side of the road and call a tow truck, but it is recommended that you get your 2018 Hyundai Elantra checked as soon as feasible. Ignoring that warning could end up causing considerable damage to lavish engine components.

When your 2018 Hyundai Elantra's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t good, a computer turns on your check engine light. This amber or yellow light is consistently labeled “check engine” or “service engine soon”, or the light may be nothing more than a picture of an engine, or a picture of the engine with the word “check.”

When the light turns on, the ECM stores an engine code or “trouble code” in its memory that identifies as the issue, whether it's a sensor or a failing engine part. This code is read with an electronic diagnose tool that is used by our Hyundai auto repair mechanics at Nalley Hyundai. There are also a number of relatively low-cost code readers that are designed for do-it-yourselfers, should you indicate that route too. While this code will tell you the issue that is detected, a true diagnosis still requires an professional experienced to indicate the issue and repair it.

What Does the Check Engine Light Mean?

One of the most continuously misunderstood lights or indicators in your 2018 Hyundai Elantra is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in many chance ways. It can say "Check Engine", it can be a symbol of an engine, it can even be a combination of both. This light illuminates in either an amber or red color and is part of the diagnostics system found on your vehicle. Onboard computers increasingly have controlled and monitored vehicle performance since the 80s and do a assortment of things for your 2018 Hyundai Elantra. Some of these include shifting automatic transmissions ignition timing, controlling engine speed, and implementing stability control, just to name a few. With that being said, the check engine light can mean a variety of divergent things. It can be as conspicuous as your gas cap being loose or as serious as engine knocking. If your check engine light is on in your 2018 Hyundai Elantra, contact Nalley Hyundai. Our Hyundai service department can help you find out what code is turning your check engine light on or analyze why your check engine light is flashing. Contact Nalley Hyundai today!

Is it safe to drive your 2018 Hyundai Elantra with the check engine light on?

If the check engine light is flashing, this means that there is a compelling issue and it is recommended to service your Hyundai Elantra expeditiously. This question is not remarkably reasonable because it all depends on the severity of the issue. If the cause is a minor issue, such as a loose gas cap, it should be safe to drive. This is often indicated by a steady glow of the check engine light. If you notice a difference in the performance of the car, it could be an indication of a more intriguing problem. Call the experts at Nalley Hyundai by dialing 7709990443 so you can describe the issues. Or premium your speed and bring your 2018 Hyundai to our certified mechanics as soon as feasible.

2018 Hyundai Elantra Check Engine Light Flashing

Although there are countless potential causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are several respectable causes consisting something as straightforward as a loose gas cap. Other respectable reasons for a Check Engine Light are faulty emissions control part, faulty head gasket, a malfunction with the fuel injection system, damaged oxygen sensor, dirty mass airflow sensor, or defective spark plugs to name assorted. No matter what is the root cause of the Check Engine Light, we have the Hyundai Certified Technicians and the certified service protocol to isolate the root problem and repair it as essential to restore factory specifications. When this happens, the Check Engine Light turns off, and you can leave the service center knowing that your Hyundai issue was revamped.

Every 2018 Hyundai Elantra was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the vehicle on its essential systems. The sensors are continually detecting conditions while sending data to the high-tech control department. If the high-tech control department detects that the data is out of factory specifications, the Check Engine Light illuminates telling you that there is a problem. However, that is the limitation of the Check Engine Light – it won’t tell you what exactly is amiss nor what to do about it. That’s where we come in; Nalley Hyundai provides a Check Engine Light Diagnosis Service that isolates the core problem and gives you a recommendation on what to do next from a Extremely Qualified Service effective.

How many miles can you drive with the check engine light?

It could be anything from a bad sensor to plug wires needing to be replaced. If you check engine light is twinkling, we recommend that you pull over and contact Nalley Hyundai to aid determine if your vehicle is dependable to drive in or if we recommend a tow truck. Since each check engine code has its own level of severity, it is difficult to predict how many miles you can drive with the warning light on. The safest bet is to decipher the code and then plan your strategy appropriately.

2018 Hyundai Elantra Check Engine Light Codes

The check engine light turning on can be quite intimidating to see that little light on your vehicle’s dashboard suddenly lights up, but in reality, it is not something that should cause you to shut down in fear right away. If you hear the term, diagnostic trouble codes (DTC), these are just another name for check engine light codes. These are automotive computer codes stored by the ECM, also acknowledged as the OBD (on-board computer diagnostic system) in your Elantra. There are hundreds of contrasting codes that your check engine light can represent. While that sounds daunting, with a little patience, tackling necessary diagnostics will give you helpful knowledge about your vehicle and will also allow that Check Engine Light to do what it is exactly supposed to do: be your guide. Sadly, evident and lawful vehicle symptoms do not always accompany an illuminated Check Engine Light. Since there are hundreds of available OBD codes, there are also hundreds of available reasons for the light, including:

  • Computer output circuit issues
  • Old Battery
  • O2 Sensor
  • Bad Spark Plugs
  • Ignition system faults
  • Emissions controls issues
  • Fuel and air metering systems problems
  • Transmission issues
  • Loose Gas Cap or Missing Gas Cap

This is why it is dangerous for someone who does not have a lot of automotive knowledge to not assume what a code means. Call Nalley Hyundai at 7709990443 today or schedule your check engine light service online today! If the engine light comes on due to a perilous concern, you risk damaging your car further by not repairing the issue right away. When your check engine light comes on, you should get it checked out hastily by a certified Hyundai mechanic.

How much does it cost to get the engine light checked?

The check engine light warns of issues ranging from a gas cap that's not properly tightened to a more exacting failure like a bad catalytic converter or a problem with one of the car's oxygen sensors, so it extensive to get the practical code reading and diagnosis. The average cost for a check engine light diagnosis & testing is commonly between $88 and $111. The extensive news, Nalley Hyundai offers complimentary multi-point inspections and free diagnostics, in most cases, to assist pick the cause of your check engine light.

2018 Hyundai Elantra Check Engine Light

A flashing light indicates that the problem is critical and if not taken care of rapidly may result in major wear and tear to the vehicle. If the check engine light in your 2018 Hyundai Elantra starts flashing, that means that the problem needs sudden attention and your Hyundai should be brought in rapidly. This twinkling light usually expresses a rigid engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can promptly expand the temperature of the catalytic converter to a point where damage is likely, requiring an expensive repair. Some owners ask if spark plugs cause the check engine light to flash? This can really be the cause. A bad, old or dirty spark plug can cause the engine to misfire. If the problem is ignored or you continue to drive, this can spread to the spark plug wires, catalytic converter, or ignition coils which can lead to a very lavish repair. If your check engine light is shining, please contact our team of automotive advisors at Nalley Hyundai urgently by calling 7709990443.