How do faulty spark plugs affect MG HS fuel efficiency in Pakistan?

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How do faulty spark plugs affect MG HS fuel efficiency in Pakistan?

Drivers complain about reduced mileage when plugs are weak o r damaged. Is spark plug performance a key reason for poor fuel economy in Pakistani MG HS cars?

Zarnish asked on 20 Aug 2025 15:51:24 pm

1 Answer

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Car Mechanic Expert - on 20 Aug 2025 16:00:27 pm

Weak o r damaged plugs cause incomplete combustion, leading to poor fuel burn. Pakistani drivers notice their MG HS average ping from 12–13 km/l to around 8–9 km/l when plugs are faulty. This makes plug health a direct factor in fuel economy.