Lost MPG

[kevindrazen]

I was getting 16's now I'm getting low 15's don't know what happened.-mad

 

[Trapper77]

I dropped mileage with the ULSD. About 1-1.5 MPG sucks. That could be the problem.


Trapper

 

[no-red 6 0]

all of a sudden...or over some time...
it could just be a bad batch of fuel or driving habits or a calculation error...

give it some more time and retest and let us know then..

 

[kevindrazen]

ever since I replaced the high pressure oil pump
and exhaust backflow sensor
14's to mid 15's MPG

 

[JLDickmon]

and when was this