What Causes the Engine Malfunction Light to Illuminate After Refueling?
2 Answers
Car after refueling appears engine malfunction light is on the reason is not in accordance with the requirements to add gasoline, gasoline is from petroleum fractionation or cracking, cracking out of the volatile, flammable hydrocarbon mixture liquid, mainly used as by spark ignition internal combustion engine fuel, which mainly includes crude oil fractionation obtained organic compounds and various additives. Engine is a kind of can put other forms of energy into mechanical energy of the machine, born in the UK, which is suitable for both power generating device, can also refer to including power unit of the whole machine. Its types include such as internal combustion engine, external combustion engine, motor, etc.
With over twenty years of driving experience, I've encountered quite a few instances where the engine warning light comes on after refueling. Most of the time, it's due to poor fuel quality, such as using substandard gasoline or the wrong fuel grade, which triggers the computer system to detect an anomaly and sound the alarm. Another common cause is a loose fuel cap, which can make the engine think there's a vapor leak, causing the warning light to illuminate. Additionally, sensors in the fuel system, like the oxygen sensor, might misinterpret data due to the new fuel, leading to false alarms and the light turning on. If this happens, it's advisable to first check if the fuel cap is tightened properly, then turn off the engine and restart to see if the light goes away. If it doesn't, you'll need to use a diagnostic tool to read the trouble codes and identify the root cause. Don't delay; address the issue promptly to prevent other components from being affected, as safety is always the top priority. When refueling, try to choose reputable gas stations to minimize such problems and ensure your car runs smoothly.
