How Often Should the Spark Plugs Be Replaced on the Geely Emgrand Million Edition?
3 Answers
Geely Emgrand Million Edition spark plugs need to be replaced approximately every 40,000 kilometers. Main types of spark plugs include: standard spark plugs, extended insulator spark plugs, electrode spark plugs, seat spark plugs, pole spark plugs, and surface gap spark plugs. Spark plugs are a critical component of a gasoline engine's ignition system. They introduce high-voltage electricity into the combustion chamber, causing it to jump the electrode gap and create a spark, thereby igniting the combustible air-fuel mixture in the cylinder. Steps for replacing spark plugs: Open the hood, lift the engine's plastic cover, and remove the high-voltage ignition wires. Mark each cylinder's position to avoid confusion. Use a spark plug socket to remove the spark plugs one by one. While removing them, check for external debris such as leaves or dust and ensure everything is cleaned thoroughly. Place the new spark plugs into the spark plug holes, hand-tighten them a few turns, and then use the socket to tighten them further. Reinstall the high-voltage ignition wires in the firing order and secure the cover.
The replacement interval for spark plugs depends on the vehicle's condition. I remember when I drove a Geely Emgrand Million Edition, the manufacturer recommended changing the spark plugs every 40,000 to 60,000 kilometers, adjusted according to driving habits. In my case, driving mostly in city traffic with frequent congestion, the spark plugs wore out faster, so I usually replaced them at around 40,000 kilometers. For the first two years with a new car, it's usually fine, but as carbon buildup increases, unstable ignition and difficulty starting the engine can occur. Regularly check the spark plug gap during maintenance, and if you notice the gap widening or severe carbon buildup, replace them early. I advise owners not to skimp on this expense—aging spark plugs not only affect performance but also increase fuel consumption. Every time I replaced the spark plugs, throttle response improved, and fuel consumption dropped by about 0.5 liters. If you drive mostly on highways, you might stretch it to 60,000 kilometers, but don't exceed the limit. In short, it's a good habit to have them checked every 30,000 kilometers at a repair shop.
Spark plug lifespan directly impacts fuel efficiency. For my Geely Emgrand Million Edition, replacing spark plugs every 50,000 kilometers is ideal. When they age, insufficient ignition energy leads to incomplete combustion, causing fuel consumption to surge by over 1 liter. Through long-term ownership testing, I've found worn spark plugs cause sluggish acceleration and engine vibration. Inspect them every 2 years or before long trips - early replacement saves fuel. Spark plug type matters too; factory copper-core ones aren't durable, while platinum ones last longer. Pay attention to startup sounds during daily driving - if the engine cranks slowly or exhaust emits black smoke, replace them immediately. During maintenance, have technicians check the spark plug electrodes - don't push them beyond their limits.
