How often should spark plugs be replaced in Changan Kalam under real-world Pakistani driving conditions?

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How often should spark plugs be replaced in Changan Kalam under real-world Pakistani driving conditions?

While manuals suggest long intervals, dust, traffic, and fuel quality may demand earlier replacements. Are drivers aware of this need?

Sirat Ul Jinan asked on 25 Jun 2025 15:37:20 pm

1 Answer

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Car Mechanic Expert - on 25 Jun 2025 15:43:05 pm

Though manuals recommend every 40,000–60,000 km, in Pakistan you should:

Replace spark plugs every 20,000–30,000 km if using regular fuel.

If using iridium/platinum plugs and high-octane fuel, they may last 40,000+ km.

➡️ Many drivers wait too long, which leads to misfires and poor mileage.