
The main reason for the Magotan's auto start-stop malfunction is excessive engine carbon deposits, which can be resolved by timely cleaning. Body dimensions: It is a mid-size sedan with a body length of 4865mm, width of 1832mm, height of 1471mm, a wheelbase of 2871mm, a fuel tank capacity of 66 liters, and a trunk capacity of 533 liters. Powertrain: The 2020 Magotan is equipped with a 1.4L turbocharged engine, delivering a maximum horsepower of 150PS, maximum power of 110kW, maximum torque of 250Nm, paired with a 7-speed dual-clutch transmission.

Recently, I drove a Magotan and also encountered the auto start-stop system malfunction. I specifically discussed this issue with a mechanic. The most common cause is problems. The auto start-stop system heavily relies on the battery's condition. If the battery has been used for three or four years and is low on charge, the system will simply stop working. Additionally, an insensitive brake switch or a faulty throttle sensor can also affect it. A colleague's car previously had frequent start-stop failures due to this. By the way, errors in the start-stop control module program within the vehicle's computer are also a common cause, especially after upgrading the infotainment system without restarting. When driving, always remember to check if the seatbelt is securely fastened, as some car models require the seatbelt to be fastened to activate the start-stop function. If you don't drive often, it's recommended to take the car on the highway every two weeks to prevent battery discharge.

Having handled numerous auto start-stop failure cases, I've found that vehicle load issues are the most commonly overlooked. For instance, when running air conditioning in summer, the compressor's operation drains power, causing the start-stop system to automatically deactivate to protect the . Additionally, the system won't engage when the steering wheel is turned beyond a certain angle—a design meant to prevent difficult starts. Once encountered a Magotan owner who installed a high-power audio system, where current fluctuations triggered false start-stop fault alerts. There are also rare scenarios like when engine coolant temperature hasn't reached optimal levels, the system defaults to warm-up operation. During routine maintenance, ensure technicians scan for trouble codes using diagnostic tools, focusing on sensor data and ECU command response times—most issues can be quickly identified and resolved this way.

Research on automatic start-stop malfunctions reveals that environmental factors are crucial. When temperatures drop below 5 degrees or at high altitudes, the protection mechanism forcibly deactivates the start-stop function, which is common in northern winters. Frequent short-distance driving also easily causes issues—the system requires at least 15 seconds between each start-stop cycle to reactivate. There have also been cases where insufficient key fob power affected signal transmission to the recognition system. Additionally, excessive vehicle vibration, such as when driving on rough roads, can temporarily disable the start-stop function via the vibration sensor. For troubleshooting, it's recommended to start with the basics: first check the dashboard for warning lights, then inspect the brake switch response speed, and finally use a multimeter to measure the battery voltage.

During car repairs, it was found that many automatic start-stop malfunctions stem from driving habits. For instance, shifting gears too quickly in an automatic transmission car—such as switching to Park (P) before the system completes the startup sequence—can cause operational disruptions. If the brake pedal isn't pressed firmly enough, the system may interpret it as a temporary stop (e.g., at a red light) rather than a full shutdown. Some owners have modified engine mounts, leading to excessive vibrations that trigger false system readings of abnormal operation. Other malfunctions occur when car washes damage rain-sensing sensors, causing cascading issues. For routine , you can perform simple checks: With the engine off, press the brake pedal firmly and listen for the relay's engagement sound—a distinct click indicates normal operation. Additionally, waiting for the coolant temperature gauge to reach the midpoint after a cold start before activating the start-stop system significantly improves stability.

Recently, while helping a friend troubleshoot the start-stop issue with their Magotan, I discovered that wiring interference is often overlooked. Improper routing of aftermarket dashcam wiring can introduce electromagnetic interference; loose terminal connections causing poor contact can directly trigger fault warnings. Special attention should be paid to 12V power outlets - if power-hungry devices are connected, the system may disable start-stop due to perceived excessive load. Another key detail: the momentary current demand during start-stop activation is extremely high, and aged generator rectifier bridges may fail to provide sufficient power. A simple self-check method: turn off all electrical consumers, let the engine reach normal operating temperature, then brake to a complete stop to observe start-stop functionality; if it works normally under these conditions, the issue likely lies with the vehicle's load management system.


