View Single Post
Old 08-27-2010, 07:55 PM   #9 (permalink)
cfg83
Pokémoderator
 
cfg83's Avatar
 
Join Date: Dec 2007
Location: Southern California
Posts: 5,864

1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
Thanks: 439
Thanked 529 Times in 356 Posts
round.boater -

Quote:
Originally Posted by round.boater View Post
Momentum isn't a problem going down a hill... My question is how come the DFCO turns off while still engine braking? I'll be watching the ScanGuage and it will just change from 9999 to ~60mpg after a minute or two. I have to alternate between engine-on coasting and no-fuel engine braking while on long descents. It's like the Ford engineers in Michigan couldn't conceive of the hills we have here in Colorado. Is there a reason for this? Is there a way to change it?
For me that usually happens at a specific MPH+RPM. Have you noted the point where this happens to you?

CarloSW2
__________________

What's your EPA MPG? Go Here and find out!
American Solar Energy Society
  Reply With Quote