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What Does the Check Engine Light Mean?

One of the most ordinarily misunderstood lights or indicators in your 2020 Toyota Highlander is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in some distinctive 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 variety of things for your 2020 Toyota Highlander. Some of these include ignition timing, shifting automatic transmissions controlling engine speed, and implementing stability control, just to name various. With that being said, the check engine light can mean a range of contrasting things. It can be as classic as your gas cap being loose or as serious as engine knocking. If your check engine light is on in your 2020 Toyota Highlander, contact Bill Estes Toyota. Our Toyota 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 Bill Estes Toyota today!

Is it safe to drive your 2020 Toyota Highlander with the check engine light on?

This question is not very correct 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 customarily indicated by a persistent glow of the check engine light. If you notice a difference in the performance of the vehicle, it could be an indication of a more harsh problem. If the check engine light is twinkling, this means that there is a harsh issue and it is recommended to service your Toyota Highlander suddenly. Call the experts at Bill Estes Toyota by dialing 3174346990 so you can describe the issues. Or reduce your speed and bring your 2020 Toyota to our certified mechanics as soon as potential.

2020 Toyota Highlander Check Engine Light Codes

The check engine light turning on can be quite intimidating to see that tiny 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 equitable 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 Highlander. There are hundreds of exact codes that your check engine light can indicate. While that sounds daunting, with a tiny patience, tackling important diagnostics will give you convenient knowledge about your automobile and will also allow that Check Engine Light to do what it is genuinely supposed to do: be your guide. Unfortunately, obvious and helpful automobile symptoms do not always accompany an illuminated Check Engine Light. Since there are hundreds of aware OBD codes, there are also hundreds of aware reasons for the light, including:

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

This is why it is imperative for someone who does not have various of automotive knowledge to not assume what a code means. When your check engine light comes on, you should get it checked out hastily by a certified Toyota mechanic. Call Bill Estes Toyota at 3174346990 today or schedule your check engine light service online today! If the engine light comes on due to a persuasive concern, you risk damaging your car additional by not repairing the issue prudent away.

Check Engine Light Service 2020 Toyota Highlander

What do you do when you’re driving along in your Toyota Highlander and expeditiously, a yellow light illuminates on your dash and says "Check Engine". If you’re like most Toyota owners, your heart sinks a slight because you have slight idea about what that light is trying to tell you or how you should react. The fear of the unknown (or the rate of the unknown) can be just as stressful. But take a deep breath and realize the light coming on doesn’t mean 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 2020 Toyota Highlander checked as soon as functional. Ignoring that warning could end up causing compelling wear and tear to expensive engine components.

When your 2020 Toyota Highlander's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electrical control system that it can’t meager, a computer turns on your check engine light. This amber or yellow light is mostly 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 electrical scan tool that is used by our Toyota auto repair mechanics at Bill Estes Toyota. There are also a number of relatively meager code readers that are designed for do-it-yourselfers, should you choose that route too. While this code will tell you the issue that is detected, a true diagnosis still requires an competent experienced to choose the issue and repair it.

2020 Toyota Highlander Check Engine Light

A flashing light indicates that the problem is dangerous and if not taken care of urgently may result in abundant damage to the vehicle. If the check engine light in your 2020 Toyota Highlander starts flashing, that means that the problem needs immediate attention and your Toyota should be brought in urgently. This flashing light ordinarily implies a stern engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can swiftly boost the temperature of the catalytic converter to a point where damage is attainable, requiring an expensive repair. Some owners ask if spark plugs cause the check engine light to flash? This can exclusively be the cause. A bad, traditional or dirty spark plug can cause the engine to misfire. If your check engine light is flashing, please contact our unit of automotive consultants at Bill Estes Toyota at this moment by calling 3174346990. 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 expensive repair.

2020 Toyota Highlander 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 copious clear causes including something as clear as a loose gas cap. Further clear reasons for a Check Engine Light are a malfunction with the fuel injection system, faulty head gasket, damaged oxygen sensor, faulty emissions control part, 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 Toyota Certified Technicians and the certified service protocol to isolate the root problem and repair it as mandatory to restore factory specifications. When this happens, the Check Engine Light turns off, and you can leave the service center knowing that your Toyota issue was fixed.

Every 2020 Toyota Highlander was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the vehicle on its meaningful systems. The sensors are continually detecting conditions while sending data to the mechanical control unit. If the mechanical control unit 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 sorry nor what to do about it. That’s where we come in; Bill Estes Toyota provides a Check Engine Light Diagnosis Service that isolates the core problem and gives you a recommendation on what to do next from a Exceedingly Qualified Service mechanical.

Will the check engine light reset itself?

The check engine light on your 2020 Toyota Highlander will usually shut itself off if the issue or code that caused it to turn on is revamped. 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 persuasive, and you did assorted 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 2020 Toyota Highlander 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 Bill Estes Toyota so the light and code can be double-checked and reset.

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

If you check engine light is flashing, we recommend that you pull over and contact Bill Estes Toyota to assist designate if your vehicle is safe to drive in or if we recommend a tow truck. It could be anything from a harmful sensor to plug wires needing to be replaced. Since each check engine code has its own level of severity, it is difficult to predict how copious miles you can drive with the warning light on. The safest bet is to decipher the code and then plan your strategy accordingly.

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

The average price for a check engine light diagnosis & testing is frequently between $88 and $111. The legal news, Bill Estes Toyota offers complimentary multi-point inspections and free diagnostics, in most cases, to help mean the cause of your check engine light. The check engine light warns of issues ranging from a gas cap that's not accurately tightened to a more bizarre failure like a detrimental catalytic converter or a problem with one of the car's oxygen sensors, so it legal to get the convenient code reading and diagnosis.

What could cause the check engine light to come on in a 2020 Toyota Highlander?

When your check engine light comes on, this could be as pure as tightening or replacing your gas cap. Likewise, the check engine light could also be a warning of a precarious problem that could cause precarious damage to your engine and come with a dominant repair bill. Depending on your make and model, the check engine light will illuminate or blink. A steady glow generally means something less precarious but a flashing check engine light indicates that your vehicle’s engine is in precarious trouble and service is necessary immediately. If your check engine light is flashing in your 2020 Toyota Highlander, we exceedingly recommend not to drive the automobile and schedule Toyota service at this moment. Below is a list of the most prevailing reasons your check engine light can come on:

  • One of the most clear and frequent cause is that your 2020 Toyota Highlander gas cap is loose, damaged or missing. The gas cap for your 2020 Toyota Highlander 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 bad fuel cap? If your gas cap is old 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 urgently after you put gas in your 2020 Toyota Highlander, original thing you should check is to make hopeful the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump.
  • Your O2 Sensor (Oxygen Sensor) needs to be interchanged. The Oxygen sensor, clear as the O2 sensor, measures the payment of oxygen in your exhaust system. If there is excess oxygen in your exhaust system, fuel burns faster and your vehicle will be less advantageous 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 2020 Toyota Highlander's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to represent the modest mixture of air and fuel that enters the cylinders in your engine. A bad O2 sensor can also cause a vehicle to fail an emissions test.
  • Issues with any aftermarket items. An aftermarket alarm, exhaust or other item can wreak havoc on your 2020 Toyota Highlander if it’s not installed perfectly. These aftermarket parts and accessories can deposit the battery, trigger the check engine light, or even prohibit the vehicle from starting. If these issues sound aware, bring your Highlander to Toyota and have our team of certified technicians ensure that your aftermarket items were installed well and aren't causing any issue. Getting accessories, extraordinarily aftermarket parts and accessories, or using OEM parts original place might cost a little bit more but could save you money from having to get low work and damage caused by low installation work corrected.
  • The battery is low or dead. The battery in your 2020 Toyota Highlander is every terrific. Without a vehicle battery, your vehicle won’t start, light up the road ahead, play the radio or charge your phone. Today’s vehicle batteries last much longer than they did a few decades ago, and they don't truly require maintenance. The cost of a new one depends on the type of Toyota you drive, but check our current service coupons and specials.
  • Your catalytic converter is bad or going bad. The catalytic converter is a part of your 2020 Toyota Highlander’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 Bill Estes Toyota offers a complimentary multi-point inspection with every Toyota service. If you have an issue with your catalytic converter and don't get it revamped, your 2020 Toyota Highlander will not pass an emissions test, show a lack of engine performance and will negatively affect your fuel economy. Your vehicle may run at a higher temperature, too, which can cause other problems from overheating.
  • Your mass airflow sensor (known as MAF) needs to be interchanged. The mass airflow sensor in your Toyota Highlander is what determines how much fuel is crucial to run your engine efficiently by measuring the payment of air entering the engine. As a part of the engine management system, the mass airflow sensor helps adjust to specific changes, like altitude. If your Toyota Highlander is having trouble starting, idling rough or has a precipitous change in the position of the throttle pedal, this could be a sign of a bad mass airflow sensor.
  • Your 2020 Toyota Highlander has a vacuum leak. Every Toyota Highlander 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 arid out and crack, extraordinarily if they’re exposed to exceptional heat or extreme bitter.
  • New Spark Plugs or Plug Wires are crucial for your 2020 Toyota Highlander. The spark plugs are the part of your engine that ignites the air/fuel mixture in the combustion chamber of your vehicle. This explosion is what moves the pistons and makes the engine run. The spark plug wires transport the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad or old, you will experience low 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, first-rate to more expensive repairs.