Why does the HOWO heavy truck key often fail to start the ignition?
2 Answers
When there is no response during ignition, it could be due to a dead battery or a damaged starter. Starter damage: The likelihood of starter damage is relatively low. The starter operates for only a few seconds each time it is used, and its total annual working time amounts to just a few hours. Therefore, this component rarely fails. Dead battery: A dead battery is a more probable cause. The battery is a power supply device that provides electricity to all electrical components when the engine is not running. If the battery is dead, the engine cannot start. During engine ignition, the ignition system, starter, and fuel injection system all require power. Without sufficient battery power, the engine will naturally fail to start. It is important to regularly monitor the battery condition during daily vehicle use. The battery is a wear-and-tear component that needs periodic replacement, as its performance degrades over time, affecting normal vehicle operation. When replacing the battery, always opt for genuine branded products and avoid cheaper, low-quality alternatives, as their reliability is questionable. Additionally, safety precautions must be followed during battery installation. Most modern batteries are maintenance-free, while some older models may require distilled water top-ups, though such batteries are now rare.
I've been driving heavy trucks for decades and have encountered many cases where the HOWO heavy-duty truck won't start. The most common issues are insufficient battery power or aging batteries, especially in winter when low temperatures cause rapid battery performance decline - turning the key then produces no sound. Other problems include faulty starter relays or starter motors, with loose contacts or internal jams preventing current flow; the key anti-theft system can also cause trouble, where insensitive chip keys or system failures lead to starting failure. Another hidden issue is corroded ground wires, where rust blocks circuit connections. I recommend regularly checking battery lifespan, cleaning terminal contacts, and preheating the engine in cold weather. Don't underestimate this - safe driving relies on reliable starting. If problems persist, have a mechanic perform thorough repairs.