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Why does Diesel engines backfire?

Updated: 10/23/2022
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14y ago

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It could be that it is over fueling, due to lack of air getting to the engine. (plugged air filter) or (Poor boost) Most noticeable under load. Other symptoms are changes in boost sound and smoke. black when lacking air or over fueling, white when ecu goes too derate.

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14y ago
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