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What Are the Common Faults in New Energy Vehicles?

3 Answers
EverlyLee
07/30/25 2:15am
Here are the common faults in new energy vehicles and their causes: 1. Exclamation Mark Fault: 1. The system detects that the battery temperature exceeds the preset safety threshold. 2. The system detects sporadic fault signals and autonomously restricts some vehicle functions. 2. Power Battery Insulation Fault: Water ingress in the electric vehicle battery box or connectors, battery cell leakage, high environmental humidity, false insulation alarms, or insulation failure in other high-voltage components (such as the controller, compressor, etc.). 3. Power Limitation Light On: 1. The power battery is nearly depleted, and the vehicle enters a protective state. 2. The system detects a fault in the vehicle's circuit system. 3. The power battery temperature exceeds the safe range. 4. Power Battery Temperature Fault: 1. Loose cooling fan connector. 2. Cooling fan malfunction. 5. Abnormal Motor Noise: 1. The concentricity between the motor and rear axle does not meet the standard. 2. Poor contact between the brushes and commutator. 6. Complete Power Loss in Electric Vehicle: 1. Blown fuse. 2. Loose wiring connector. 3. Faulty power switch.
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DelAlexander
08/15/25 8:19am
I just switched to an electric car not long ago and have been driving it for over half a year, encountering quite a few common issues. The battery is the most frequent trouble: the range drops really fast, especially during winter starts when the battery drains alarmingly quickly, and sometimes it stops charging before reaching full capacity. I once experienced the charging port getting as hot as an oven, almost smoking, forcing me to unplug and inspect it. Software bugs are also annoying: the central control screen suddenly freezes, navigation and music get stuck, and the app fails to connect to the car, leaving door locks uncontrollable. The high-voltage system warning light came on twice, scaring me into immediately pulling over to seek professional help. Minor issues like the electronic door handle jamming and refusing to open required manual effort to fix. These problems combined affect travel reliability. I recommend regular system updates, checking battery temperature and health, avoiding prolonged charging in extreme weather, and driving gently to reduce wear and tear.
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StEmilio
10/21/25 5:13am
I drive an electric car every day to pick up and drop off my kids, but frequent malfunctions keep causing trouble. The charging issue is the most prominent: my home charging station sometimes fails to recognize my car, and unstable current leads to slow charging. Once, it took an entire night to charge just half the battery, wasting my effort. The car display also acts up: the temperature controller once malfunctioned, making it unbearably hot like a steamer in summer. A safety alarm went off with a high-voltage system error warning, so I immediately pulled over to check, not daring to take it lightly. The electric trunk lock also broke, forcing me to pry it open manually. These issues are incredibly frustrating and disrupt family schedules. Now, I opt for high-quality charger brands, perform quarterly checks on the charging system, and have learned basic troubleshooting, like restarting the car's system to temporarily fix minor bugs.
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How to Repair a Worn or Peeling Leather Steering Wheel?

Methods to repair a worn or peeling leather steering wheel: 1. Minor wear: Purchase a dedicated leather steering wheel repair solution and apply it to the worn area according to the instructions. 2. Small cracks: If small cracks appear, apply acrylic resin to the cracks, align the edges, and dry them with the cool air setting of a hairdryer. 3. Tears: If there is a tear, cut a piece of non-woven fabric slightly larger than the tear, place it underneath the damaged area, and apply leather adhesive. Cover the damaged area with a piece of cotton cloth and press it flat with an iron. Once the leather sets, remove the cloth. If the crack is noticeable, apply a color paste that matches the leather. 4. Unable to repair yourself: If the damage is beyond your ability to repair, take the steering wheel to a professional car detailing service for refurbishment. Refurbishment technology can maximize the repair of the worn areas.
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