Ford Powerstroke Diesel Forum banner

1 - 3 of 3 Posts

·
Registered
Joined
·
1,164 Posts
Discussion Starter #1
From my understanding this controls voltage to the FICM and PCM does anyone no where it is??? thanks a bunch!
 

·
Premium Member
Joined
·
5,700 Posts
reference voltage is a constant voltage sent out from the PCM to various sensors to have a reliable input feeding back to it

vref never changes, it's always 5v
 

·
Registered
Joined
·
1,164 Posts
Discussion Starter #3
Thank you... do you know how to tell if its bad?
 
1 - 3 of 3 Posts
Top