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Topic Review (Newest First)
02-14-2009 10:42 AM
4.0l sahara He is most likly tricking the ecm to run lean. Then after awhile it learns and adjust for it. If thats what ur doing then thats just dumb. Have fun when you melt a hole in your piston from running really lean.

Like this
02-14-2009 10:32 AM
MATT35 i was about to start a thread asking how to up my mpgs...... i know that there are programmers that help out mpgs and power but which one is cheaper and safe for automatic trannys????
02-14-2009 09:27 AM
stevens243 How are you tracking your MPG per day to know what you are getting?
02-14-2009 09:04 AM
andrew383 whats your trick??? edge has there trailjammer,there's also hyperjunk they offer a few handhelds.
02-14-2009 08:37 AM
BARKDOG67 leaning out = less power, increase knocking, and too much heat

whats the point If you want to end your engines life early then go for it.
02-14-2009 07:36 AM
fiveoaks what year do jeep's go to obd2?
02-14-2009 04:55 AM
4Jeepn Well what is the trick? Not sure on OBD2, have read its a pita to work with though.
02-13-2009 09:02 PM
ryanreenter
02 Wrangler 23 mpg

I found a way to trick my jeep into getting 23 mpg up from 15 mpg. The problem is I cant get it to stay there. It will run at 23 for a few days then go back to 15. Dose anyone know of a obd2 program I can use to edit settings in the ecu like a/f r, ignition timing, rev limitor and stuff like that? I want to get it back up to 23 mpg or better and all I need is the right software to do it.
Thanks
Ryan

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