Join Date: Aug 2012
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dash MPG going berzerk
Evening gentlemen, this is my first of many post i hope. I have a 06 PSD 350.
Today i stopped to put a lil fuel in my truck , the dash said i had 51 miles to E, and that i was getting 18 mpg.. now the MPG has been steady 16-18 since i got the truck 4 months ago. I drop 20$ in the tank just get get home and to a different station. I start up and drive about 2 miles and my gas gauge doesnt move AT ALL .. and my dash still reads 50 to E and 18 MPG .. i pull over and restart the tryuck and press the reset button and info buttons. SUDDENLY im gettin 99.9 MPG .. 2.0 MPG,18mph,0.0mpg,28.0MPG etc etc . Its all over the place .. i power down and reset the gauge to a solid 0.0 and drive home now on my 5 mile ride home i get back to about 14 mpg but its steady climb and then a steady drop between lights .. if i idle it plummets. I just parked it at 12.1 mph.
I am a bit confused as to whats going on, It now reads that i DID infact fuel up and brought me to 110 to E. SO TWO BIG questions, what the heck is going on AND how come for 4 months the MPG never really moved unless i was on the HW and getting good mileage and now its all over the place? Any insight AT all would be greatly appreciated , thanks alot