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SCT X4 Noob, Jerky downshifts

josephstef

Well-Known Member
Joined
Oct 4, 2018
Threads
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Location
New Zealand
First Name
Stefan
Vehicle(s)
2016 Mustang GT
Hi,
I just purchased an SCT x4 7015INT (International) for my NZ mustang 6 speed auto 2016, plugged it in and set my petrol to 98 and intake to air raid MPX.(I left everything else default/stock) Everything runs fine, AFR looks good but I have a slight issue with the transmission.

Whenever I down shift in sports mode it jerks really bad like its pulling the breaks, It never used to do it before the tune.
In full automatic under light load it takes an annoyingly long time to get into 2nd. (2800ish rpm).

When I go back to the tune controller I can see there options for shift pressure. There all set to 0%, is this correct? ideally id like the stock feeling.

Thanks
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