What does it mean when the engine warning light comes on in a Chery Arrizo 5?
3 Answers
There are mainly 7 reasons why the engine warning light comes on in an Arrizo 5: Sensor malfunction: The sensors mentioned here include coolant temperature, crankshaft position, air flow, intake air temperature, oxygen sensors, etc. When these sensors are damaged, have poor contact, or signal interruption occurs, the vehicle's ECU cannot accurately obtain engine data, which will then trigger the engine warning light. Fuel quality issues: If fuel and engine oil are not added as required by the manufacturer, it may cause engine wear, leading to the illumination of the warning light. Poor combustion of the air-fuel mixture: Poor combustion can lead to engine carbon deposits or knocking. When detected by the oxygen sensor and reported to the ECU, the warning light will illuminate as a warning. Spark plug failure, ignition coil failure, fuel pump failure, and fuel line blockage can all cause poor combustion of the engine's air-fuel mixture. Turbocharging issues: The intake turbocharging pipeline and turbocharger can also cause the engine warning light to come on. The most common issue is turbocharger damage, accompanied by symptoms such as oil leaks, high oil consumption, reduced power, metallic noises, and blue or black smoke from the exhaust. Intake issues: If there is a problem with the car's intake, it may cause engine pipeline blockage, and in severe cases, trigger the engine warning light. A dirty air filter that is not cleaned regularly can lead to intake problems. Exhaust issues: Exhaust faults can also cause the engine warning light to illuminate. The rear oxygen sensor, three-way catalytic converter, exhaust camshaft, and bearing failures are all causes of exhaust problems, with the three-way catalytic converter being the most common. Using leaded gasoline, lead or silicon-containing lubricant additives, physical damage to the three-way catalytic converter, and fuel system failures can easily cause three-way catalytic converter malfunctions. Anti-theft system failure: If the car's electronic anti-theft system malfunctions, or if the anti-theft controller does not match the engine electronic controller, the anti-theft system can also prevent the engine from operating normally, while the engine warning light comes on. If the engine warning light comes on, you can follow these steps to handle it: First, check whether the engine is running normally, and if there are issues such as shaking or black smoke, try not to restart the engine. Especially note that if the red light is on, do not restart under any circumstances. If the engine can be started, turn it off and wait for 5-10 minutes. Without pressing the brake, press the start button once, or without pressing the clutch, turn the car key halfway to the 'on' position. The car will perform a self-check after powering on. Wait for 5-10 seconds and observe whether the warning light on the dashboard goes off. If the warning light does not go off, please visit a service station as soon as possible to identify the cause. The service station can use a portable diagnostic tool to read the fault codes, obtain fault information, and perform targeted repairs.
As someone who has been in the auto repair industry for years, I think the engine warning light coming on in the Arrizo 5 is quite common. There are several possible reasons: First, oxygen sensor issues are the most frequent, with dust buildup causing detection deviations. Second, ignition system failures, such as aging spark plugs or faulty ignition coils, can lead to abnormal engine combustion. Then there are fuel system problems, like unstable oil pressure or clogged fuel injectors. Other issues like a blocked catalytic converter or a stuck EGR valve can also trigger the warning light. My advice is not to panic—first, check if the car is shaking or making unusual noises. If it drives smoothly, take it to a repair shop to read the fault codes with a diagnostic tool to identify the root cause. Minor issues can be fixed for a few dozen dollars, but ignoring them long-term could damage the engine. Regular maintenance, like frequently changing the air filter, can prevent some problems. Safety first—don’t delay.
As a young car owner, I recently encountered the issue of the engine warning light illuminating in my Chery Arrizo 5. While driving home, I suddenly noticed the yellow light and felt a pang of worry. After checking online and consulting friends, I learned it could be due to simple reasons like a loose fuel cap or using the wrong fuel grade—even minor impurities can trigger false alarms. Other possibilities include damp ignition coils or aging sensors, especially prone in winter. The suggested remedy was to first try turning off and restarting the engine; if the light goes out, it might be a false alarm. If it stays on, check the dashboard for normal water temperature and oil pressure, and avoid highway driving. I promptly visited a 4S shop for a free diagnostic scan. Last time, mine turned out to be a dirty mass airflow sensor—cleaning it cost just over a hundred yuan. Don’t cut corners on repairs to avoid turning minor issues into major ones.
