How Often Should the Spark Plugs of Baojun 310 Be Replaced?
3 Answers
Baojun 310 spark plug replacement cycle: Under normal maintenance conditions, replacement is recommended after driving 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type. It is advisable to follow the user manual. You can refer to the following standards for maintenance replacement: Platinum spark plugs should be replaced at 40,000 kilometers, ordinary nickel alloy spark plugs at 20,000 kilometers, and iridium spark plugs at 60,000 to 80,000 kilometers. How spark plugs work: The ground electrode of the spark plug is connected to the metal shell, which is threaded into the engine block through the cylinder head. The insulator mainly serves to isolate the metal shell and the central electrode. The terminal nut is the part of the spark plug that contacts the high-voltage coil. When current passes through the terminal nut and the central electrode, it ionizes the medium between the central electrode and the ground electrode to produce a spark, thereby igniting the air-fuel mixture in the cylinder.
I've been driving the Baojun 310 for four years, and generally, spark plugs should be replaced every 30,000 kilometers or three years for optimal performance. The car uses standard copper-core spark plugs, which aren't the most durable. If you delay replacement, you'll notice slower starts, increased fuel consumption, and occasional engine shaking, affecting smooth operation. I once tried to save money and waited until 50,000 kilometers to replace them, only to end up stranded on the road—a real hassle. Later, a 4S shop mechanic advised that city commuters can stretch it slightly but shouldn't exceed 40,000 kilometers, while frequent highway drivers should check more often. Replacing spark plugs isn't difficult and costs just around 100-200 yuan each time. Opting for better brands like NGK can improve longevity. During regular maintenance, it's wise to check the electrode gap—it saves trouble and hassle. Don’t make the same mistake I did by cutting corners early on.
I just bought a Baojun 310 less than a year ago. As a new driver, I'm curious about everything and specifically asked the repair shop how often the spark plugs should be replaced. They said the standard for this model is every 25,000 to 30,000 kilometers, or about two years, depending on usage intensity. Since I drive long distances every month, the mechanic suggested checking them every 25,000 kilometers and replacing them if they show signs of aging quickly, otherwise it could lead to starting difficulties and wasted fuel. Last time, I tried opening it up myself and saw serious black carbon buildup, which scared me into replacing them immediately. The cost isn't high, but don't go for cheap off-brand options—only original factory parts are reliable. Make it a habit to touch the engine cover after parking to see if it's hot, as overheated spark plugs can burn out easily. Paying attention to these details early on can save you a lot of trouble.
