![]() When the light comes on, the ECU will store what is known as a diagnostic trouble code (DTC) for the system that is causing the issue. The light will come on either in a solid state, or flashing on and off. It could be coming on for any number of reasons, whether the engine is not getting enough fuel, a failed sensor, or an engine misfire. This light appears when the engine control unit (ECU) detects that there is an issue with a component that it cannot rectify. That strange orange light is the Check Engine Light (CEL), or it can also be known as the Malfunction Indication Light (MIL), and is based on the shape of an engine (not a helicopter!). This article will give you a rundown on exactly what that light means and what to do if it suddenly appears. What do I do? What does it mean? Should I keep dancing? Thoughts start running through your head. You can prevent this situation in the future with basic auto maintenance and regular service checks.Picture this - You’re driving alone late one night, enjoying your favorite song on the radio.Īll of a sudden, a strange orange light appears on the dashboard that kind of looks like a helicopter. Chances are, it is one of a few top reasons why your Volkswagen check engine light is on and it is an easy fix. Everything will be ok and all you need to do is schedule a service appointment at Karen Radley VW and let our service professionals take care of it. While your check engine light coming on may induce paranoia and apprehension - don’t panic. Bad spark plugs or spark plug wires can damage the catalytic converter, as well as the ignition coils and O2 sensors and will have a negative impact on performance and fuel economy if not maintained. Spark plugs ignite the air/fuel mixture and the spark plug wires will transmit energy from the ignition coil to the spark plugs. If your check engine light is on, you may have a case of bad spark plugs or spark plug wires. You Have Bad Spark Plugs or Spark Plug Wires READ MORE: What Should You Do if Your Volkswagen is Recalled? 5. A faulty sensor can lead to more damage to spark plugs, O2 sensors and your catalytic converter as well as reduced performance. Designed to monitor the amount of air entering your engine, the mass airflow sensor is needed to attain maximum efficiency. In order for your 2016 Volkswagen Passat to run at peak performance, you need the proper air fuel mixture and that is where the mass airflow sensor comes in. Damage to the catalytic converter is caused by lack of maintenance, so be sure to schedule regular service checks with the Karen Radley Volkswagen Service Department. Without a functioning catalytic converter, you will be unable to pass an emissions test, experience reduced performance and your vehicle may run at a higher temperature. Your catalytic converter protects the environment around us by converting dangerous carbon monoxide into carbon dioxide. READ MORE: How to Change a Tire on Your Volkswagen Passat 3. If not addressed, a faulty gas cap will lead to a loss in fuel due to evaporation and more trips to the gas station. A well-maintained gas cap ensures that you have proper pressure in your fuel tank and prevents harmful emissions. Have you ever left the gas station and had that “duh” moment when you realize you forgot to put your gas cap back on? Chances are your check engine light was on as well. You Have a Missing, Damaged or Loose Gas Cap In addition to causing your check engine light to come to life, a bad O2 sensor can lead to lower fuel-economy numbers and damage to spark plugs and your catalytic converter. You Have a Bad O2 Sensorĭesigned to monitor the levels of unburned oxygen in your exhaust system, the oxygen sensors in your Volkswagen can fail if not maintained over time. Take a look at the top reasons why your Volkswagen check engine light is on and avoid the nervous sweats that often go hand in hand with a check engine light. It is not as bad as all that, but if not addressed can lead to more serious issues down the road. An impending feeling of doom often accompanies this little dashboard warning light and you are left wondering whether or not your car will explode. Have you ever been driving your 2016 Volkswagen Golf and had your check engine light flicker to life? In an instant, you can go from calm and collected to paranoid and perturbed. Why is Your Check Engine Light On and How Can You Fix It? By Product Expert | Posted in Service, Tips & Tricks on Tuesday, January 26th, 2016 at 5:04 pm Reasons Why Your Volkswagen Check Engine Light is On 2022 Volkswagen Jetta GLI vs 2022 Toyota Camry. ![]() 2022 Volkswagen Taos vs 2022 Subaru Crosstrek.2022 Volkswagen Tiguan vs 2022 Kia Sportage.2022 Volkswagen Tiguan vs 2022 Kia Sorento.2022 Volkswagen Golf GTI in Woodbridge, VA.2022 Volkswagen Atlas Cross Sport Woodbridge VA.2022 Volkswagen Atlas in Washington, D.C.
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