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Check Engine Light Service 2012 Toyota Highlander

What do you do when you’re driving along in your Toyota Highlander and rapidly, a yellow light illuminates on your dash and says "Check Engine". If you’re like most Toyota owners, your heart sinks a tiny because you have tiny 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 indicate you have to pull the automobile over to the side of the road and call a tow truck, but it is recommended that you get your 2012 Toyota Highlander checked as soon as likely. Ignoring that warning could end up causing big damage to expensive engine components.

When your 2012 Toyota Highlander's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t exact, 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 scan tool that is used by our Toyota auto repair mechanics at Coggin Toyota at the Avenues. There are also a number of relatively cheap 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 experienced compelling to imply the issue and repair it.

Will the check engine light reset itself?

The check engine light on your 2012 Toyota Highlander 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 polite, and you did a lot 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 2012 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 Coggin Toyota at the Avenues 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 Coggin Toyota at the Avenues to help elect for if your vehicle is firm to commute in or if we recommend a tow truck. The safest bet is to decipher the code and then plan your strategy accordingly. It could be anything from a damaging 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 many miles you can commute with the warning light on.

Is it safe to drive your 2012 Toyota Highlander with the check engine light on?

If the check engine light is glaring, this means that there is a severe issue and it is recommended to service your Toyota Highlander urgently. This question is not very simple 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 solid to drive. This is naturally 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 tough problem. Call the advisors at Coggin Toyota at the Avenues by dialing 9043376618 so you can describe the issues. Or lower your speed and bring your 2012 Toyota to our certified mechanics as soon as attentive.

2012 Toyota Highlander Check Engine Light Codes

The check engine light turning on can be quite intimidating to see that scant light on your vehicle’s dashboard quickly illuminates, but in reality, it is not something that should cause you to shut down in fear noble 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 common as the OBD (on-board computer diagnostic system) in your Highlander. There are hundreds of other codes that your check engine light can indicate. While that sounds daunting, with a scant patience, tackling exceptional diagnostics will give you exceptional knowledge about your vehicle and will also allow that Check Engine Light to do what it is really supposed to do: be your guide. Regrettably, clear and convenient vehicle symptoms do not always accompany an illuminated Check Engine Light. Since there are hundreds of achievable OBD codes, there are also hundreds of achievable reasons for the light, including:

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

This is why it is exciting for someone who does not have a lot of automotive knowledge to not assume what a code means. Call Coggin Toyota at the Avenues at 9043376618 today or schedule your check engine light service online today! If the engine light comes on due to a unusual concern, you risk detrimental your car disparate by not repairing the issue proper away. When your check engine light comes on, you should get it checked out quickly by a certified Toyota 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 serious failure like a bad catalytic converter or a problem with one of the car's oxygen sensors, so it accomplished to get the essential code reading and diagnosis. The average cost for a check engine light diagnosis & testing is mostly between $88 and $111. The accomplished news, Coggin Toyota at the Avenues offers complimentary multi-point inspections and free diagnostics, in most cases, to help select the cause of your check engine light.

What could cause the check engine light to come on in a 2012 Toyota Highlander?

When your check engine light comes on, this could be as straightforward as tightening or replacing your gas cap. Likewise, the check engine light could also be a warning of a serious problem that could cause serious break to your engine and come with a curious repair bill. Depending on your make and model, the check engine light will illuminate or blink. A steady glow consistently means something less serious but a shining check engine light hints that your vehicle’s engine is in serious trouble and service is mandatory suddenly. If your check engine light is shining in your 2012 Toyota Highlander, we highly recommend not to drive the vehicle and schedule Toyota service at this moment. Below is a list of the most accepted reasons your check engine light can come on:

  • The battery is poor or dead. The battery in your 2012 Toyota Highlander is each compelling. 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 a few decades ago, and they don't really require maintenance. The price of a new one depends on the type of Toyota you drive, but check our sophisticated service coupons and specials.
  • Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your Toyota Highlander is what determines how much fuel is crucial to run your engine efficiently by measuring the amount of air entering the engine. As a part of the engine management system, the mass airflow sensor helps adjust to genuine changes, like altitude. If your Toyota Highlander is having trouble starting, idling rough or has a sudden change in the position of the throttle pedal, this could be a sign of a detrimental mass airflow sensor.
  • Your 2012 Toyota Highlander has a vacuum leak. Each Toyota Highlander has a vacuum system that performs a wide mixture of functions. The vacuum system also helps cut down 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 compelling heat or extreme annoyed.
  • Issues with any aftermarket items. An aftermarket alarm, exhaust or extra item can wreak havoc on your 2012 Toyota Highlander if it’s not installed properly. These aftermarket parts and accessories can drain the battery, trigger the check engine light, or even impede the vehicle from starting. If these issues sound commonplace, bring your Highlander to Toyota 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 little bit more but could save you money from having to get poor function and damage caused by poor installation function corrected.
  • One of the most commonplace and innumerable cause is that your 2012 Toyota Highlander gas cap is loose, damaged or missing. The gas cap for your 2012 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 detrimental fuel cap? If your gas cap is historic 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 costly. If your check engine light turns on abruptly after you put gas in your 2012 Toyota Highlander, first thing you should check is to make fearless 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 replaced. The Oxygen sensor, known as the O2 sensor, measures the amount of oxygen in your exhaust system. If there is excess oxygen in your exhaust system, fuel burns faster and your vehicle 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 2012 Toyota Highlander's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to learn the honest collection 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.
  • New Spark Plugs or Plug Wires are crucial for your 2012 Toyota Highlander. The spark plugs are the part of your engine that ignites the air/fuel collection in the combustion chamber of your vehicle. 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 historic, 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, finest to more costly repairs.
  • Your catalytic converter is detrimental or going detrimental. The catalytic converter is a part of your 2012 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 Coggin Toyota at the Avenues offers a complimentary multi-point inspection with each Toyota service. If you have an issue with your catalytic converter and don't get it repaired, your 2012 Toyota Highlander 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.

What Does the Check Engine Light Mean?

One of the most naturally misunderstood lights or indicators in your 2012 Toyota Highlander is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in a few distinct 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 2012 Toyota Highlander. Some of these include ignition timing, shifting automatic transmissions controlling engine speed, and implementing stability control, just to name plentiful. With that being said, the check engine light can suggest a variety of disparate things. It can be as uncomplicated as your gas cap being loose or as critical as engine knocking. If your check engine light is on in your 2012 Toyota Highlander, contact Coggin Toyota at the Avenues. Contact Coggin Toyota at the Avenues today! Our Toyota service department can help you find out what code is turning your check engine light on or diagnose why your check engine light is twinkling.

2012 Toyota Highlander Check Engine Light

If the check engine light in your 2012 Toyota Highlander starts flashing, that means that the problem needs abrupt attention and your Toyota should be brought in immediately. A flashing light expresses that the problem is perilous and if not taken care of immediately may result in major damage to the vehicle. This blinking light frequently indicates a relentless engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can suddenly increase the temperature of the catalytic converter to a point where damage is potential, requiring an fancy repair. Some owners ask if spark plugs cause the check engine light to flash? This can exactly be the cause. A bad, traditional 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 especially expensive repair. If your check engine light is flashing, please contact our team of automotive advisors at Coggin Toyota at the Avenues suddenly by calling 9043376618.

2012 Toyota Highlander Check Engine Light Flashing

Although there are copious potential causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are various classic causes consisting something as classic as a loose gas cap. Disparate classic reasons for a Check Engine Light are a malfunction with the fuel injection system, dirty mass airflow sensor, faulty head gasket, faulty emissions control part, damaged oxygen sensor, or defective spark plugs to name a few. 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 imperative 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 2012 Toyota Highlander was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the car on its laborious systems. The sensors are frequently detecting conditions while sending data to the electronic control unit. If the electronic 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 totally is amiss nor what to do about it. That’s where we come in; Coggin Toyota at the Avenues provides a Check Engine Light Diagnosis Service that isolates the core problem and gives you a recommendation on what to do next from a Immensely Qualified Service adequate.