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How often should the spark plugs of a Levin be replaced?

4 Answers
OMax
07/29/25 5:08pm
The spark plugs of a Levin should be replaced every 40,000 kilometers. Methods to determine if the spark plugs are damaged: Remove the spark plugs and observe them. The condition of the spark plugs can be judged based on the following appearance colors. A normal spark plug has an insulator skirt and electrodes that appear gray-white, gray-yellow, or light brown. A properly functioning spark plug has a reddish-brown insulator skirt, with an electrode gap between 0.8-0.9mm, and no signs of electrode burning. If the spark plug has oil stains or deposits but is not damaged, it can continue to be used after cleaning off the oil and deposits. If the spark plug is severely damaged, with signs such as blistering at the top, black streaks, cracks, or melted electrodes, the cause of the damage should be identified. After troubleshooting, replace the spark plug with a new one. Additionally, if the spark plug appears black as if smoked, it indicates that the wrong heat range was selected for the spark plug, the air-fuel mixture is too rich, or there is oil leakage.
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VonGabrielle
08/14/25 7:28am
As a long-time Toyota Levin driver, I'd like to share some spark plug replacement experience. Typically after driving 20,000-30,000 km, it's time to check the spark plugs. I replaced them at 30,000 km on my first Levin when noticing slower acceleration and slightly higher fuel consumption. Delayed replacement may lead to poor ignition due to worn spark plugs, affecting engine performance and potentially triggering warning lights. I usually follow the owner's manual recommendations, but your driving habits matter too - frequent slow driving in traffic accelerates spark plug wear. During regular maintenance, ask mechanics to check electrode gaps; replace if too wide. Always choose genuine parts over cheap alternatives. This practice ensures smoother driving, better fuel efficiency and safety.
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DeMalachi
10/13/25 5:09am
I often work on my own car and have figured out the replacement frequency for the Leven's spark plugs. It's appropriate to change them every 20,000 to 30,000 kilometers. The operation isn't difficult; just prepare the right wrench and new spark plugs. Before replacing, check the old plugs—if the electrodes are burnt black or the gap is too wide, they must be replaced promptly. To extend the life of spark plugs, avoid stomping on the accelerator; smooth driving reduces wear. I usually watch tutorials online to teach myself, saving hundreds in labor costs. The key is to buy branded products, like NGK or Denso, which are excellent. After replacement, there's a noticeable boost in power, and fuel consumption also drops. Regular maintenance like this makes the car more durable.
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Mercedes
11/26/25 6:08am
Spark plug aging directly affects engine performance and fuel efficiency. Having driven a Levin for many years, I've found that 20,000 to 30,000 kilometers is the optimal point for replacement. Failing to replace them in time can lead to ignition difficulties, insufficient power, and even increased exhaust emissions. I adhere to regular maintenance and usually check the spark plugs when the car shows abnormal performance. Choosing high-quality parts can extend service life and reduce maintenance frequency.
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