Why Does the Engine Malfunction Light Come On?

Cheap car rentalAs 5s CarRental, which also offers the service, in today's article we have discussed an article about the question of why does the engine fault light come on?. Well, why does the engine malfunction light come on? You can continue reading our article for details.

Why does the engine malfunction light light up? ? To answer the questionfirst,can basically mean that there is a problem with one or more of the following systems. These can include the fuel system, ignition system, intake system, exhaust system. 4 systems have problems with direct engine starting. If any of these problems occur, the engine does not work properly and may be damaged.

Why does the engine check light come on? When the check engine light comes on, the first thing that comes to mind is. is that one of these systems is experiencing problems. For a simple explanation, let's say you are leaving the station in a newly refueled vehicle. Five minutes later the check engine light came on. Although this light indicates a problem with the fuel we are taking, it can also damage the fuel system. Although this is not always about the last movements of the vehicle, you should think this way first.

In the light of all this information, this warning, which is sometimes very simple and free to examine the matter in more detail, is sometimes very can cause serious and costly damage. Why does the engine fault light come on?Non-standard fuel is the leading fuel when it comes to serious problems. Some service stations may sell illegal, uncontrolled, dirty and poor quality fuel outside the norms. Why does the engine fault light come on?This application, which is imported into the country and sold illegally, can cause problems in engines with very sensitive operating characteristics. may not meet the standard. Finally, sensors in the fuel system can detect abnormal fuel and illuminate the check engine light. Other problems can be fuel cap, oxygen sensor, catalytic converter, spark plug, spark plug wires, battery, EGR valve, thermostat, air flow sensor. Why does the engine fault light come on?

If you are wondering why the check engine light is on, you can list the possible causes of engine failure as follows.

Oxygen Sensor Error Why Turns On the Engine Check Lamp?

An oxygen sensor measures the amount of unburned oxygen in the exhaust system and transmits the data to the vehicle's engine control unit. This information is used to adjust the fuel-air mixture entering the cylinders. The engine may continue to run even if the oxygen sensor needs repair. However, in the long run, it may damage components such as the spark plug and catalytic converter, causing the engine warning lamp to come on in case of failure. strong>

One of the most common reasons for the check engine light to come on is when the lid does not close completely after refueling. The fuel filler cap, which is an important part of the fuel delivery system, prevents exhaust gases from escaping from the tank and contributes to the operation of the entire system at the correct pressure.

Why Does the Catalyst Turn on the Engine Malfunction Lamp?< /strong>

This part, which is a part of the exhaust system, converts the carbon monoxide formed during the combustion process into carbon dioxide. Regular maintenance such as oil change should not be interrupted for the health of this part, which plays an important role in engine failures caused by the exhaust system. Spark plug and ignition coil: Components that play a role in the ignition of the air/fuel mixture cause problems such as engine misfire and unstable driving when they fail. If the check engine light is flashing on the instrument panel, it may indicate that the spark plugs are worn or the spark plug wires are faulty.

Why Does the Air Flow Sensor (MAF Sensor) Turn on the Check Engine Light?

The MAF sensor calculates the amount of air flowing into the engine and determines how the engine behaves when changing altitude. An air mass sensor that signals erratic idling, starting problems, and sudden changes in accelerator pedal position can also illuminate the engine check light.

Why Does the EGR Valve Turn on the Check Engine Light?

The exhaust gas recirculation (EGR) system reduces the amount of nitrogen oxide released from the engine and allows the engine to run more efficiently. This system, which facilitates combustion by sending hot exhaust gas to the combustion chamber, also helps to reduce emissions. Mechanical failures can occur due to a clogged EGR valve controlling the functions of the system. This malfunction, which manifests itself with symptoms such as unstable idling, loss of performance and engine misfire, is reported to the drivers with an engine malfunction lamp.

Why Vacuum Leaks Turn on the Engine Malfunction Lamp?

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Cars have a vacuum system with different functions. Vacuum mechanisms, which reduce emissions by diverting the exhaust gas that evaporates during combustion, are also used to assist braking. Vacuum hoses can dry out and break when exposed to high or very low temperatures. This causes leaks in the ducts, resulting in noticeable changes in engine performance. In some cases, problems caused by the vacuum pump will illuminate the check engine light, indicating a problem with the engine.

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