If you are unsure about what your diagnostic trouble codes mean have your CC diagnosed by a professional automotive technician. Flashing Check Engine Light: If your check engine light is flashing, stop driving your CC and have it towed to your nearest mechanic - you probably have a very serious problem with your car and you risk ruining your engine by driving it. Steady Check Engine Light: If your check engine light is on every time you operate your CC, you need to have it checked as soon as possible, especially if you notice performance problems or unusual noises. For example, does it happen when you accelerating, driving on the highway or does it appear at low speeds? This will help your mechanic evaluate the issue. Intermittent Check Engine Light: If the check engine light on your 2009 CC is intermittent, try to take note of the conditions when this happens. The video above shows how to locate the on board diagnostics (OBD) plug on your 2009 CC, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your CC. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. If you get misfires on several cylinders, there is most likely an issue with a too lean or too rich mixture.A check engine light can indicate a broad spectrum of problems with your 2009 Volkswagen CC. If you get misfires on a specific cylinder – check the spark plugs, ignition coils, and wirings. Check for more related trouble codes to continue the troubleshooting on that trouble code.įor example, if you get a misfire trouble code and one related to an ignition coil, you should definitely continue the troubleshooting on that ignition coil. You may think that a diagnostic scanner is too expensive for this small problem, and in that case, you can borrow one from a friend or just take your car to a repair shop and let them read the codes for you.Īfter you have received the engine control unit’s codes, you will most likely find a trouble code related to a misfire. This can be done with a diagnostic scanner. If the check engine light is flashing on your Volkswagen, you need to pull over immediately and turn off your car, especially if accompanied by oil or. This will, in almost all cases, just make you waste your money.Ī much better and more efficient method is to check what the engine control unit is trying to tell us. Therefore it is a terrible practice just to guess which parts could cause the check engine light and start to replace parts. You must understand that every time your check engine light is constantly lightened up or blinking, it will store a trouble code in the memory so you will have a chance to see what was causing the problem. So now, when we know what could cause this, where should we begin to pinpoint the problem? RELATED: Will the Check Engine Light Reset Itself? How to Diagnose a flashing check engine light? However, it is not as simple as that because many different things can cause misfires. Faulty engine sensors (coolant, air temperature, exhaust temperature sensor, etc.)Ī flashing or blinking check engine light is most often caused by misfires.A blinking light can indicate that unburned fuel is getting into the exhaust system. Most people are aware that a check engine light indicates something wrong in the powertrain, but it. Misfires on one or several cylinders (most common) On the other hand, if it flashes, get to your mechanic as soon as you can. Knowing what a light means is often only half the battle.You should immediately reduce your speed and the load on your engine (if you are. Causes of a Flashing or Blinking Check Engine Light If the check engine light is flashing, a more severe problem has occurred. ![]() This is to notify you that a problem that may damage the catalytic converter is happening right now. ![]() ![]() If this problem is severe from a misfire, it will start to flash the check engine light instead. If the engine control unit is getting the wrong value from the sensor several times, the check engine light will appear on your dashboard. If one of the values from a sensor is faulty for a short amount of time, it will trigger a trouble code. Close the Long Coding Helper by clicking the Windows X box on the top right of the screen or clicking the Exit button on the top left of the screen to send your. The engine control unit monitors all sensors in your car while you are driving and with this information, it calculates how much fuel should be injected into the engine and at which angle it should fire the ignition. Let a mechanic take a look as soon as possible! The more you drive with a blinking check engine light, the more damage you can cause to your engine. Can bad spark plugs cause the check engine light to blink? What Does A Flashing Check Engine Light Mean?Ī flashing check engine light indicates that your engine is misfiring and there may be a severe issue with your engine.
0 Comments
Leave a Reply. |