Which phenomenon results when high-pressure fuel injectors in a diesel engine experience dribble after main injection pulse?

💡 Explanation

When fuel injectors dribble, incomplete combustion occurs because the fuel fails to atomize properly at the end of the injection pulse, creating rich pockets that contribute to soot formation. Therefore particulate matter increases, rather than reduced NOx, improved efficiency, or reduced knocking which require optimized fuel-air mixtures.

• Which consequence results when guard bands are insufficient within a DWDM system?
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