View Single Post
Old 10-01-2017, 08:47 AM   #20 (permalink)
gpfaster
EcoModding Lurker
 
Join Date: Sep 2017
Location: Hamilton, Ontario, Canada
Posts: 19

Saturn - '01 Saturn SC1
90 day: 42.33 mpg (US)
Thanks: 4
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by MetroMPG View Post
If you're using an OBD-II plug-in device, it's reading neither.

OBD-II computers estimate fuel consumption from air consumption , so fuel use is a calculation based the stoichiometric air/fuel ratio, engine displacement, RPM, MAP/MAF, open/closed loop status etc.).
Thank you. That makes sense. I'm going to wire in a multimeter to the injectors to try and get some better info for myself then.. I have a feeling that at some point I'll be trying the scan gauge and mpguino route as well, enjoying the data and observations of what the car is doing..
__________________

  Reply With Quote