View Single Post
Old 01-23-2015, 05:09 PM   #10 (permalink)
j12piprius
Liberty Lover
 
j12piprius's Avatar
 
Join Date: Feb 2011
Location: central california
Posts: 587

pris prius - '12 Toyota plug in prius
90 day: 71.09 mpg (US)
Thanks: 439
Thanked 83 Times in 60 Posts
Quote:
Originally Posted by P-hack View Post
That is where you lose me, are you bumpstarting?
Yes, bumpstarting.

Quote:
It should always use less power when off.
The battery use is much higher.

Quote:
Originally Posted by johnlvs2run View Post
Recently I've noticed that switching the injectors back on (with the engine off), drops .05 volts from the battery, thus 20 switches drops the battery from 12.8 to 11.8 volts. Perhaps this drop results in the alternator working harder while driving, uses more fuel, and causes the lower mpg.
Rpms are not relevant here, as the pulses are the same, but somewhere around 2500 rpm.

Last edited by j12piprius; 01-26-2015 at 05:12 PM..
  Reply With Quote