Thanks Rock...glad to hear yours is accurate also. Keep up the good work! P.S. you think some of your Meguilars wax will work on my sig truck...its lookin a little dull!

 

I'm sure it uses the fuel injector pulsewidth to measure efficiency. On a long downgrade, I was able to get my 2000 navigator to max out the counter, something stupid like 100mpg. DFCO has a large part in the fuel calculations.

Ryan

 

I say the pumps are off start going too another station

 

Good for you R.P.