Which of the following operating conditions is more likely to cause a diesel engine, catalytic converter to plug?

Question

Quizplus · Accepted Answer

Light load, cold temperature operation is more likely to cause a diesel engine's catalytic converter to plug because under these conditions, the exhaust temperatures are too low to allow the catalytic converter to operate efficiently. This can lead to incomplete combustion and the accumulation of particulates and unburned hydrocarbons, which can clog the converter.

Which of the Following Operating Conditions Is More Likely to Cause