3 ms·
This is likely right, it's also the reason when you start up most car you'll see the rpm stay higher than normal idle for a couple seconds. Heating up the catal
by auxym 12y ago
This is likely right, it's also the reason when you start up most car you'll see the rpm stay higher than normal idle for a couple seconds. Heating up the catalyzer so it can do its job.
- refurb 12y agoNot only heating up the catalytic converter, but heating up the engine in general. Efficiency is pretty low when the engine is cold.