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Ronmaf Ronmaf is offline
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Posts: 6
Join Date: Jul 2020
Car: 2018 Wrangler JLU
Default 07-18-2020, 10:08 AM

Quote:
Originally Posted by Ronmaf
Thanks Terry,
I fixed that. Seems my MPG is based on the canned time boost. I did a custom tune with no boost till 2000 rpm. Mpg went up. I also noticed that the transmission will not up shift to 8th gear at cruising speed unless above 62mph. This drastically reduces MPG. The Jeep JL Etorque operates up to 1500rpm. How does the tuner effect shifting or does it? My work around has been manually shifting to 8th gear, but I shouldn’t have to.
Any ideas?
Can anyone offer some advice? My MPg should not be this with this tuner.
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