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. The sensors are continually detecting conditions while sending data to the electronic control unit.
When this happens, the Check Engine Light turns off, and you can leave the service center knowing that your Toyota issue was fixed.Įvery Toyota RAV4 was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the vehicle on its crucial systems. 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 needed to restore factory specifications. Other common reasons for a Check Engine Light are a malfunction with the fuel injection system, dirty mass airflow sensor, faulty emissions control part, faulty head gasket, damaged oxygen sensor, or defective spark plugs to name a few. Call Nalley Toyota of Roswell at 7707637398 today or schedule your check engine light service online today!Īlthough 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. If the engine light comes on due to a genuine concern, you risk damaging your car further by not repairing the issue honest away. When your check engine light comes on, you should get it checked out instantly by a certified Toyota mechanic.
This is why it is important for someone who does not have a lot of automotive knowledge to not assume what a code means. Since there are hundreds of possible OBD codes, there are also hundreds of possible reasons for the light, including: Unfortunately, obvious and helpful vehicle symptoms do not always accompany an illuminated Check Engine Light. While that sounds daunting, with a little patience, tackling basic diagnostics will give you useful knowledge about your vehicle and will also allow that Check Engine Light to do what it is really supposed to do: be your guide. There are hundreds of different codes that your check engine light can represent. These are automotive computer codes stored by the ECM, also known as the OBD (on-board computer diagnostic system) in your RAV4.
If you hear the term, diagnostic trouble codes (DTC), these are just another name for check engine light codes. The check engine light turning on can be quite intimidating to see that little light on your vehicle’s dashboard suddenly illuminates, but in reality, it is not something that should cause you to shut down in fear right away. If your check engine light is flashing, please contact our team of automotive experts at Toyota immediately. 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 very lavish repair. A bad, old or dirty spark plug can cause the engine to misfire. Some owners ask if spark plugs cause the check engine light to flash? This can absolutely be the cause. There it can quickly raise the temperature of the catalytic converter to a point where damage is likely, requiring an expensive repair. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. If the check engine light in your Toyota RAV4 starts shining, that means that the problem needs speedy attention and your Toyota should be brought in hastily. Toyota RAV4 Check Engine LightĪ shining light expresses that the problem is miraculous and if not taken care of hastily may result in roomy wear and tear to the car. If you drive over that amount and the light is still on, you will need to bring it in so the light and code can be double-checked and reset.
In most cases, your Toyota RAV4 light will go off after about 20-40 miles. Likewise, if your catalytic converter is going functional, 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. 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. The check engine light on your Toyota RAV4 will usually shut itself off if the issue or code that caused it to turn on is fixed. Will the check engine light reset itself?