Please wait while the page loads...

Will the check engine light reset itself?

The check engine light on your 2018 Toyota Sienna will normally 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 immediately turn itself off. Still, if your catalytic converter is working perfectly, 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 2018 Toyota Sienna 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 Toyota of Greenville so the light and code can be double-checked and reset.

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

The average cost for a check engine light diagnosis & testing is usually between $88 and $111. The good news, Toyota of Greenville offers entirely free multi-point inspections and free diagnostics, in most cases, to support determine the cause of your check engine light. The check engine light warns of issues ranging from a gas cap that's not perfectly tightened to a more serious failure like a bad catalytic converter or a problem with one of the car's oxygen sensors, so it good to get the appropriate code reading and diagnosis.

2018 Toyota Sienna Check Engine Light

A flashing light reveals that the problem is very serious and if not taken care of promptly may result in major and meaningful damage to the vehicle. If the check engine light in your 2018 Toyota Sienna starts flashing, that means that the problem needs attention promptly and your Toyota should be brought in rapidly. This blinking light normally indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can instantly raise the temperature of the catalytic converter to a point where damage is likely, requiring an expensive and huge repair. Some owners ask if spark plugs cause the check engine light to flash? This can specifically be the cause. A defective, old or dirty spark plug can cause the engine to misfire. If the problem is completely 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 pricey repair. If your check engine light is constantly flashing, please contact our team of automotive experts at Toyota of Greenville expeditiously by calling 8647547866.

Check Engine Light Service 2018 Toyota Sienna

What do you do when you’re driving along in your Toyota Sienna and suddenly, a yellow light illuminates on your dash and says "Check Engine". If you’re like most Toyota owners, your heart sinks drastically because you may have definitely 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, peaceful 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 advised that you get your 2018 Toyota Sienna checked immediately. Ignoring that warning could end up causing extensive, considerable damage to expensive engine components.

When your 2018 Toyota Sienna's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t correct, a computer turns on your check engine light. This amber or yellow light is usually labeled ā€œcheck engineā€ or ā€œservice engine soonā€, or the light may be nothing more than a picture of an engine, or a picture of the engine with the word ā€œcheck.ā€

When the light turns on, the ECM stores an engine code or ā€œtrouble codeā€ in its memory that can immediately identify 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 Toyota of Greenville. There are likewise a number of relatively inexpensive code readers that are designed for do-it-yourselfers, should you pick that route too. While this code will tell you the issue that is detected, a true diagnosis still requires an experienced professional to determine the absolutely right issue and repair it.

What Does the Check Engine Light Mean?

One of the most commonly misunderstood lights or indicators in your 2018 Toyota Sienna is the check engine light. The check engine light is part of the important onboard diagnostics system, and displays in an assortment of different 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 car. Onboard computers increasingly have controlled and monitored car performance since the 80s and do an assortment of things for your 2018 Toyota Sienna. Some of these essential duties include ignition timing, shifting automatic transmissions controlling engine speed, and implementing security control, just to name a few. With that being said, the check engine light can mean an assortment of different things. It can be as simple as your gas cap being loose or as dangerous as engine knocking. If your check engine light is on in your 2018 Toyota Sienna, contact Toyota of Greenville. Our Toyota service department can assist you find out what code is turning your check engine light on or diagnose why your check engine light is flashing. Contact Toyota of Greenville today!

Is it safe to drive your 2018 Toyota Sienna with the check engine light on?

If the check engine light is flashing, this means that there is a serious issue and it is advised to service your Toyota Sienna instantly. 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 safe to drive. This is usually indicated by a steady 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 serious problem. Call the experts at Toyota of Greenville by dialing 8647547866 so you can describe the issues. Or reduce your speed and bring your 2018 Toyota to our certified mechanics as soon as likely.

2018 Toyota Sienna 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 common causes including something as simple as a loose gas cap. Other often common reasons for a Check Engine Light are faulty emissions control part, dirty mass airflow sensor, damaged head gasket, a malfunction with the fuel injection system, broken 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 completely repair it as required to restore factory specifications. When this results, the Check Engine Light turns off, and you can leave the service center knowing that your Toyota issue was completely fixed.

Every 2018 Toyota Sienna was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the car on its critical systems. The speedy sensors are continually detecting conditions while sending important 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. Nevertheless, sadly that is the limitation of the Check Engine Light – it won’t tell you what absolutely is wrong nor what to do about it. That’s where we come in; Toyota of Greenville 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 Certified Service professional.

2018 Toyota Sienna Check Engine Light Codes

The check engine light turning on can be quite intimidating, exceptionally to see that little light on your vehicle’s dashboard suddenly illuminate, 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, likewise known as the OBD (on-board computer diagnostic system) in your Sienna. There are hundreds of different codes that your check engine light can accurately represent. While that sounds daunting, with a little patience, tackling basic diagnostics will give you useful knowledge about your car and will likewise allow that important Check Engine Light to do what it is absolutely supposed to do: be your guide. Sadly, apparent and useful car symptoms do not always accompany an illuminated Check Engine Light. Since there are hundreds of likely OBD codes, there are likewise hundreds of likely reasons for the light, including:

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

This is why it is essential for someone who does not have a lot of prevailing automotive knowledge to not assume what a code means. When your check engine light comes on, you should get it checked out promptly by a adept certified Toyota mechanic. Call Toyota of Greenville at 8647547866 today or schedule your check engine light service online today! If the engine light comes on due to a serious concern, you risk damaging your vehicle further by not repairing the issue right away.

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

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

What could cause the check engine light to come on in a 2018 Toyota Sienna?

When your check engine light comes on, this could be as simple as tightening or replacing your gas cap. Likewise, the check engine light could likewise be a warning of an essential problem that could cause serious damage to your engine and come with a hefty and costly repair bill. Depending on your make and model, the check engine light will illuminate or blink. A steady and continuous glow ordinarily means something less serious but a flashing check engine light signifies that your vehicle’s engine is in meaningful trouble and useful service is needed promptly. If your check engine light is flashing in your 2018 Toyota Sienna, we extremely recommend not to drive the vehicle and schedule Toyota service today. Below is a list of the most typical reasons your check engine light can come on:

  • Issues with any aftermarket items. An aftermarket alarm, exhaust or other item can wreak extreme havoc on your 2018 Toyota Sienna if it’s not installed properly. These aftermarket parts and accessories can drain the battery, trigger the check engine light, or even prevent the car from starting. If these issues sound familiar, bring your Sienna to Toyota and have our team of skilled certified mechanics ensure that your aftermarket items were installed perfectly 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 help you save substantially from having to get poor work and damage caused by poor installation work corrected.
  • 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 more promptly and your car will be less efficient when it comes to fuel economy. So what happens if I don’t change your O2 sensor? A faulty sensor can not only affect your miles per gallon, but it can cause meaningful damage to your catalytic converter and your 2018 Toyota Sienna's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to determine the exactly right combination of air and fuel that enters the cylinders in your engine. A faulty O2 sensor can still cause a car to fail an emissions test.
  • The battery is low or dead. The battery in your 2018 Toyota Sienna is every essential. 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 absolutely require maintenance. The price 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 2018 Toyota Sienna’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 frequently caused by constantly neglected maintenance, which is why Toyota of Greenville offers a free multi-point check with every Toyota service. If you have an issue with your catalytic converter and don't get it repaired, your 2018 Toyota Sienna 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 other dangerous problems from overheating.
  • New Spark Plugs or Plug Wires are needed for your 2018 Toyota Sienna. The spark plugs are the part of your engine that ignites the air/fuel combination in the combustion chamber of your car. This explosion is what moves the pistons and makes the engine run smooth. The spark plug wires deliver the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad or old, you will undergo a evident poor performance and decreased 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, leading to more pricey repairs.
  • Your 2018 Toyota Sienna has a vacuum leak. Every Toyota Sienna has a vacuum system that performs a wide variety of functions. The vacuum system still 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 intense heat or extreme cold.
  • Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your Toyota Sienna is what determines how much fuel is needed 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 certain changes, like altitude. If your Toyota Sienna is having trouble starting, idling rough or has a sudden quick replace in the position of the throttle pedal, this could be a crucial sign of a faulty mass airflow sensor.
  • One of the most typical and frequent cause is that your 2018 Toyota Sienna gas cap is loose, damaged or missing. The gas cap for your 2018 Toyota Sienna serves different purposes. It prevents perilous 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 faulty 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 and be more pricey. Luckily, to change a gas cap isn't pricey. If your check engine light turns on quickly after you put gas in your 2018 Toyota Sienna, 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.