Is spark plug fouling a common issue in Changan Karvaan, especially in short-distance city driving?

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Is spark plug fouling a common issue in Changan Karvaan, especially in short-distance city driving?

Short trips can prevent full combustion, causing carbon build-up on plugs. Are city drivers in Pakistan facing this issue more than highway drivers?

Qalb E Momin asked on 06 Aug 2025 13:01:03 pm

1 Answer

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Car Mechanic Expert - on 06 Aug 2025 13:06:24 pm

Very common. Short trips lead to:

Incomplete engine warm-up

Carbon deposits on plug tips

Unburned fuel residue buildup

City drivers e.g., in Lahore, Karachi, Islamabad face this more often than highway users. This condition leads to hard starts, black smoke, and poor mileage.