Answer
Apr 16, 2023 - 10:54 PM
Hi there! Based on the problem you've described, there are several factors that could cause the soot and smoke: incorrect timing of air/fuel ratio, dirty injectors or common rail injectors staying open for too long, worn turbocharger, dirty intake manifold or clogged air cleaner, low cylinder compression, poor-quality fuel, oil entering the combustion chamber, damaged cylinder head gasket, or excessive carbon buildup in the combustion chamber—these can all be considered culprits. To be sure what among these slew of causes you're dealing with, it's best to have your vehicle diagnosed by a certified mechanic at a shop.
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