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What is the spark plug model for the New Alto?

4 Answers
JeffreyAnn
07/29/25 11:16pm
The spark plug model for the New Alto is NGK platinum spark plugs. Under normal maintenance conditions, car spark plugs should be replaced after driving 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine, so it is recommended to follow the user manual. The following standards can be used as a reference for maintenance and 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. Steps for replacing spark plugs: Open the hood, lift the plastic cover of the engine, remove the high-voltage wires, and 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 like leaves or dust and ensure they are cleaned thoroughly. Place the new spark plug into the spark plug hole, hand-tighten it a few turns, and then use the socket to tighten it further. Reinstall the removed high-voltage wires according to the firing order and secure the cover.
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DelAlexa
08/16/25 1:38am
I've owned an old Alto for six years, and it's always used DENSO K16HPR-U11 spark plugs, as clearly stated in the manual. However, the model may vary for different year versions—for example, the 2010 model can also use NGK CR7E. Worn-out spark plugs can cause sluggish starts, severe idle shaking, and a spike in fuel consumption. I replace them every 40,000 kilometers and have learned to inspect them myself: if the electrode turns black or the gap widens, it's time for a replacement. Don’t just buy any cheap ones—online knockoffs cost just a few bucks each, but you get what you pay for; using them can lead to carbon buildup and engine damage. It’s best to stick with original manufacturer shops or certified parts. The Alto has a small engine, so spark plugs directly affect ignition efficiency. Regular maintenance ensures smoother driving, better fuel economy, and even saves you some gas money—think of it as a little extra treat.
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MacAubrey
10/18/25 7:53am
My friend has been driving an Alto for five years and always mentions that the spark plug model is DENSO K16HPR-U11, which suits his 2012 model. He has researched the characteristics of this model—medium heat range, matching the Alto engine; NGK's CR7E is also an alternative, offering better cost performance. A pair can be bought online for a few dozen yuan, but official channels are recommended for authenticity. Materials like nickel-copper are durable, while iridium is more efficient, but sticking to the original specifications avoids trouble. The replacement frequency is about every three years for inspection. If they are too old, it can lead to sluggish acceleration or the fault light coming on, which could cost more for major repairs. A mechanic once said that choosing the right spark plug extends the engine's lifespan, making it sound clearer when running. If you're replacing them yourself, take your time to ensure proper alignment.
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McAurora
12/01/25 8:28am
In the experience of auto repair in the workshop, the new Alto spark plugs usually use NGK CR7E or DENSO K16HPR-U11. Just note the model in the manual. When worn out, they can cause slow starts or even stalling while driving. It's recommended to replace the old ones every 30,000 kilometers. When replacing, be careful not to exceed the torque—it's a simple job you can do yourself. Small parts have big impacts; good spark plugs can slightly reduce fuel consumption and make the engine more responsive. Don't try random brands to save money—buy from reputable shops for peace of mind.
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