View Single Post
Old 02-16-2011, 01:03 AM   #4 (permalink)
Piwoslaw
aero guerrilla
 
Piwoslaw's Avatar
 
Join Date: Oct 2008
Location: Warsaw, Poland
Posts: 3,705

Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
Thanks: 1,278
Thanked 731 Times in 464 Posts
I remember reading here somewhere that certain cars idle around 1000-12000rpm when rolling in neutral "to be ready" to accelerate. My guess is that may be the engineers decided that the only time a car is rolling in neutral is between gear changes, so it may be better to not allow the engine's rpm to fall too low since in a moment it will be in gear and will have to rev up to 2000 (or more) again.
Pretty dumb, so maybe there's a better explanation.
__________________
e·co·mod·ding: the art of turning vehicles into what they should be

What matters is where you're going, not how fast.

"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell


[Old] Piwoslaw's Peugeot 307sw modding thread
  Reply With Quote