Cold Start Emissions Reduction Is Being Discussed

question 1

Multiple Choice

Cold start emissions reduction is being discussed. Technician A says that a strategy to reduce them is to delay the PCM going into close loop mode. Technician B says that an applicable strategy is to retard ignition timing during engine warmup. Who is correct?

• A) Technician A
• B) Technician B
• C) Both A and B
• D) Neither A nor B