Which risk increases when fuel injectors in a direct injection engine exhibit excessive dribble following pulse termination?

💡 Explanation

When injectors dribble, incomplete combustion occurs because the fuel isn't properly atomized resulting in raw fuel bypassing the piston rings contaminating oil, promoting premature wear and reduces lubrication. Therefore ring wear results, rather than emissions, converter damage or knock whose requirements are different combustion defects.

• Which outcome occurs when an aluminum interconnect on a silicon die experiences significant electromigration?
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