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The Causes of Excess Smoke from the Chevrolet Matiz

Model: Chevrolet Matiz MK 1 - Years 1998-2010
Part: Checks and maintenance

In this video, see how the YouTuber identified various reasons why the Chevrolet Matiz was producing so much smoke. Firstly, it was due to the fact that, being a dual-fuel vehicle (petrol/LPG), the previous owner had neglected maintenance (as often happens with these dual-fuel systems). A problem was then found with the cylinder head, necessitating the replacement of not only the gasket but the entire head, sourced from a used parts supplier. Since the car continued to emit a lot of black smoke, it was ultimately discovered that the issue was with the catalytic converter, which contained some truly terrible contaminants. Once cleaned, the vehicle returned to proper functioning: these are the main reasons for the smoke emitted from the exhaust.

Updated on 6 September 2026 by ScegliAuto

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