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What Does the Check Engine Light Mean?

One of the most normally misunderstood lights or indicators in your 2017 VW Jetta is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in a few assorted 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 2017 VW Jetta. Some of these include shifting automatic transmissions ignition timing, controlling engine speed, and implementing stability control, just to name a little. With that being said, the check engine light can represent a alter of distinctive things. It can be as prevailing as your gas cap being loose or as persuasive as engine knocking. If your check engine light is on in your 2017 VW Jetta, contact Nalley Volkswagen of Alpharetta. Our VW service department can help you find out what code is turning your check engine light on or investigate why your check engine light is flashing. Contact Nalley Volkswagen of Alpharetta today!

Is it safe to drive your 2017 VW Jetta with the check engine light on?

If the check engine light is flashing, this means that there is a critical issue and it is recommended to service your VW Jetta hastily. This question is not incredibly easy 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 typically indicated by a essential 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 treacherous problem. Call the experts at Nalley Volkswagen of Alpharetta by dialing 7706299081 so you can describe the issues. Or reduce your speed and bring your 2017 VW to our certified mechanics as soon as correct.

2017 VW Jetta Check Engine Light Codes

The check engine light turning on can be quite intimidating to see that little light on your vehicle’s dashboard hastily illuminates, but in reality, it is not something that should cause you to shut down in fear honorable 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 Jetta. There are hundreds of assorted codes that your check engine light can indicate. While that sounds daunting, with some patience, tackling fundamental diagnostics will give you cordial knowledge about your vehicle and will also allow that Check Engine Light to do what it is really supposed to do: be your guide. Unfortunately, detailed and cooperative 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:

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

This is why it is extraordinary for someone who does not have a lot of automotive knowledge to not assume what a code means. When your check engine light comes on, you should get it checked out now by a certified VW mechanic. Call Nalley Volkswagen of Alpharetta at 7706299081 today or schedule your check engine light service online today! If the engine light comes on due to a hazardous concern, you risk damaging your car further by not repairing the issue decent away.

Will the check engine light reset itself?

The check engine light on your 2017 VW Jetta will commonly 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 useful, 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 2017 VW Jetta light will go off after about 20-40 miles. If you drive over that deposit and the light is still on, you will need to bring it in to Nalley Volkswagen of Alpharetta so the light and code can be double-checked and reset.

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. Since every check engine code has its own level of severity, it is difficult to predict how several miles you can commute with the warning light on. If you check engine light is blinking, we suggest that you pull over and contact Nalley Volkswagen of Alpharetta to help imply if your vehicle is safe to commute in or if we suggest a tow truck. The safest bet is to decipher the code and then plan your strategy accordingly.

Check Engine Light Service 2017 VW Jetta

What do you do when you’re driving along in your VW Jetta and suddenly, a yellow light illuminates on your dash and says "Check Engine". If you’re like most VW owners, your heart sinks a few because you have little 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 2017 VW Jetta checked as soon as legitimate. Ignoring that warning could end up causing dominant damage to expensive engine components.

When your 2017 VW Jetta's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the computerized control system that it can’t honest, a computer turns on your check engine light. This amber or yellow light is commonly 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 learn with an electronic analyze tool that is used by our VW auto repair mechanics at Nalley Volkswagen of Alpharetta. There are also a number of comparably low-cost 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 trained technological to elect for the issue and repair it.

2017 VW Jetta Check Engine Light Flashing

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

Every 2017 VW Jetta was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the vehicle on its hard systems. The sensors are continually detecting conditions while sending data to the electronic control squad. If the electronic control squad 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 definitely is wrong nor what to do about it. That’s where we come in; Nalley Volkswagen of Alpharetta provides a Check Engine Light Diagnosis Service that isolates the core problem and gives you a recommendation on what to do next from a Very Qualified Service professional.

What could cause the check engine light to come on in a 2017 VW Jetta?

When your check engine light comes on, this could be as common as tightening or replacing your gas cap. Likewise, the check engine light could also be a warning of a severe problem that could cause severe damage to your engine and come with a bizarre repair bill. Depending on your make and model, the check engine light will illuminate or blink. A steady glow naturally means something less severe but a flashing check engine light indicates that your vehicle’s engine is in severe trouble and service is basic expeditiously. If your check engine light is flashing in your 2017 VW Jetta, we greatly recommend not to drive the vehicle and schedule VW service today. Below is a list of the most admitted reasons your check engine light can come on:

  • One of the most present and frequent cause is that your 2017 VW Jetta gas cap is loose, damaged or missing. The gas cap for your 2017 VW Jetta 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 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 expensive. If your check engine light turns on shortly after you put gas in your 2017 VW Jetta, first thing you should check is to make satisfied the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump.
  • Your catalytic converter is bad or going bad. The catalytic converter is a part of your 2017 VW Jetta’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 Volkswagen of Alpharetta offers a complimentary multi-point inspection with each VW service. If you have an issue with your catalytic converter and don't get it repaired, your 2017 VW Jetta 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 problems from overheating.
  • Issues with any aftermarket items. An aftermarket alarm, exhaust or other item can wreak havoc on your 2017 VW Jetta if it’s not installed correctly. These aftermarket parts and accessories can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. If these issues sound prevalent, bring your Jetta to VW and have our team of certified mechanics ensure that your aftermarket items were installed correctly and aren't causing any issue. Getting accessories, particularly aftermarket parts and accessories, or using OEM parts first place might cost a microscopic bit more but could save you money from having to get poor work and damage caused by poor installation work corrected.
  • Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your VW Jetta is what determines how much fuel is fundamental 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 discernable changes, like altitude. If your VW Jetta is having trouble starting, idling rough or has a cold change in the position of the throttle pedal, this could be a sign of a bad mass airflow sensor.
  • Your 2017 VW Jetta has a vacuum leak. Each VW Jetta has a vacuum system that performs a wide variety 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 barren out and crack, particularly if they’re exposed to intense heat or extreme bitter.
  • The battery is low or dead. The battery in your 2017 VW Jetta is each 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 plentiful decades ago, and they don't really require maintenance. The cost of a new one depends on the type of VW you drive, but check our current service coupons and specials.
  • Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, admitted 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 real 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 2017 VW Jetta's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to represent the decent collection of air and fuel that enters the cylinders in your engine. A bad O2 sensor can also cause a car to fail an emissions test.
  • New Spark Plugs or Plug Wires are fundamental for your 2017 VW Jetta. 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 transport the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad 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, considerable to more expensive repairs.

2017 VW Jetta Check Engine Light

A glaring light indicates that the problem is perilous and if not taken care of expeditiously may result in impressive damage to the vehicle. If the check engine light in your 2017 VW Jetta starts glaring, that means that the problem needs abrupt attention and your VW should be brought in expeditiously. This blinking light ordinarily indicates a stern engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can promptly enhance the temperature of the catalytic converter to a point where damage is conceivable, 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 your check engine light is flashing, please contact our company of automotive experts at Nalley Volkswagen of Alpharetta suddenly by calling 7706299081. 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 highly expensive repair.

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

The average price for a check engine light diagnosis & testing is mostly between $88 and $111. The marvelous news, Nalley Volkswagen of Alpharetta offers complimentary multi-point inspections and free diagnostics, in most cases, to assist indicate the cause of your check engine light. The check engine light warns of issues ranging from a gas cap that's not accordingly tightened to a more unhealthy failure like a bad catalytic converter or a problem with one of the car's oxygen sensors, so it marvelous to get the available code reading and diagnosis.