My IS350 is truely mine now!
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It took me over 3 weeks to slowly put 600 miles on my car while driving like a granny. During this whole time the shifting was jerky, unpredictable, and just felt weird. But as soon as the odometer hit 600, I started driving like there's no tomorrow--my normal driving style. One week later, with proper training, my car was finally behaving the way I wanted.
Previously it was upshifting from 1st to 2nd at 2000RPM, and quickly to 3rd, 4th, and 5th. In fact, as soon as I picked up some speed, it would upshift even if I don't depress the accelerator. It was nearly impossible to even hear the engine roar unless I go on the highway.
Now it shifts from 1st to 2nd at 4000-5000RPM, and it stays in 2nd longer, only unshifting to 3rd and higher when necessary. I understand that the PWT ECT mode gives me similar behaviors. But I find that the PWT is too aggressive when it comes to downshifting. It would often downshift even though I want to coast. My custom trained ECU is perfect for me and it knows what I want. It holds 1st and 2nd gears longer but once it gets up to 3rd and higher, it would not downshift unless I go WOT or slow down drastically. When I'm driving on the highway on 6th gear and I suddenly go WOT, it immediately downshifts to 4th for me.
All in all, I'm a happy camper now and there's no need to reset the ECU.
Previously it was upshifting from 1st to 2nd at 2000RPM, and quickly to 3rd, 4th, and 5th. In fact, as soon as I picked up some speed, it would upshift even if I don't depress the accelerator. It was nearly impossible to even hear the engine roar unless I go on the highway.
Now it shifts from 1st to 2nd at 4000-5000RPM, and it stays in 2nd longer, only unshifting to 3rd and higher when necessary. I understand that the PWT ECT mode gives me similar behaviors. But I find that the PWT is too aggressive when it comes to downshifting. It would often downshift even though I want to coast. My custom trained ECU is perfect for me and it knows what I want. It holds 1st and 2nd gears longer but once it gets up to 3rd and higher, it would not downshift unless I go WOT or slow down drastically. When I'm driving on the highway on 6th gear and I suddenly go WOT, it immediately downshifts to 4th for me.
All in all, I'm a happy camper now and there's no need to reset the ECU.
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LexSense
IS - 3rd Gen (2014-present)
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02-04-23 09:46 PM