Why Do Toyota Camry Catalytic Converters Get Clogged in Pakistan?

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Why Do Toyota Camry Catalytic Converters Get Clogged in Pakistan?

Considering the fuel quality and road conditions in Pakistan, what are the major reasons for catalytic converter clogging? Does the use of low-quality petrol and excessive idling contribute to premature failure?

Lubaba asked on 22 Feb 2025 11:31:25 am

1 Answer

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Car Mechanic Expert - on 22 Feb 2025 11:37:06 am

Catalytic converters can become clogged for several reasons in Pakistan:

Low-Quality Petrol: Many fuel stations in Pakistan sell petrol with higher sulfur content, which can cause deposits inside the catalytic converter and clog it over time.
Excessive Idling: Frequent idling in traffic, especially in cities like Karachi and Lahore, causes incomplete combustion, leading to carbon buildup in the converter.
Engine Misfire o r Poor Maintenance: An engine misfire o r poorly maintained engine such as improper fuel-air mixture o r faulty spark plugs can send unburned fuel into the catalytic converter, leading to clogging and damage.