How does using low-quality petrol in Pakistan affect the catalytic converter in the Honda City?

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How does using low-quality petrol in Pakistan affect the catalytic converter in the Honda City?

Does the high sulfur content in unbranded fuel contribute to quicker clogging o r converter failure?

Sirat Ul Jinan asked on 27 Feb 2025 12:10:23 pm

1 Answer

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Car Mechanic Expert - on 27 Feb 2025 12:31:32 pm

High sulfur content: Low-quality o r unbranded fuel often has a higher sulfur content. When sulfur combines with oxygen in the exhaust system, it forms sulfur dioxide, which can damage the catalytic converter, causing it to clog and fail prematurely.
Deposits and contaminants: Low-quality fuel may also contain impurities that can accumulate in the catalytic converter, further blocking its function.