My guess would be your Power Commander 5 is running the wrong map, and is set way too rich.
Pull your plugs and check them.
Who did you get the Power Commander from, and can you get a new map?
Since this thread is from 2012...I hope he got it figured out...
Since this thread is from 2012...I hope he got it figured out...
Read the reply before mine.....posted yesterday.
Anything else you want to add????
Yesterday 07:27 PM bySomeguy123
Did you figure out what was causing this? I just had my 5000 mile service and now I'm getting 24 mpg I was getting about 40. All my driving is city stop and go but still I shouldn't be getting this low. What the heck could it be?
From the HD dealership. A guy sent me a map with a similar set up and I tried that but no dice. I'll have new plugs tomorrow and replace the air filter I guess.
come on already, you need to shift out of second gear. I`ll admit this was before the E-10 stuff but driving my brand new bike home I was getting 49 MPG because Sunoco 260 was 48.9/gal