Join Date: Jun 2011
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Is this bad mpg?
Hello all, I've been doing all the maintenance I Can think of with my new-to-me 2002 crewcab shortbed PSD 7.3, 144k.
-I have done all new glowplugs and injector o-rings (7 of the 8 glowplugs were bad).
-Coolant flush, replaced with CAT ELC and added dieselsite coolant filter
-Oil change, 15w40 rotella
-New air filter, (still have stock intake)
-Transmission flush, 6.0 cooler
-new fuel filter
There was no fuel or oil in the coolant, when I did the flush.
I live in CO, and in my area its is very hilly, not flat roads by any means (which puts me in boost just to maintain speed when going up hill). I also have a 5 mile drive to work, the truck has barely been warming up by the time I get there according to the stock dummy-gauge. The truck sees 90% in town driving, and very little of it is long distances.
Having that said, I'm averaging 13.5 mpg. stock intake, stock exhaust, no chip as of yet.
I'm trying to decide if my MPG is reasonable given that the trip to work barely allows the truck to warm up (sometimes not at all), and that most of my driving is in hilly city areas, or if there is an issue. It doesn't smoke unless you're WOT (and then its not much at all, just a little black).
I've tried the lucas upper cylinder stuff as well as the supertech 2-stroke oil, and still don't seem to see much of a difference.