So what do these do?

Joe23 · Jun 4, 2017

kahanabob said: ↑

i think it does, i did a test driving at 45MPH at 2K RPM in S4 with ECT on, holding steady turned off ECT and truck slowed down about 3 MPH and RPM dropped a bit. with the ECT off i got the truck back up to 45MPH at 2K RPM still in S4 and pushed the ECT button, truck increased speed and RPM. i then shifted to S3 to make sure the ECT did not down shift and was still in 4th ECT was not controlling any shifts while i did this was in S4 the entire time. Atkinson cycle sucks, who in their right mind would want the engine to hold the intake valve open during the binging of the compression stroke. someone here posted a video of how the Atkinson cycle works, eye opener, if i had seen that video playing in a dealer showroom before i bought my truck i would have never bought it.
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It doesn't matter if you're in s4 it will still drop gear. When you pressed it it likely went to 3rd gear. But anyways yes it makes a big difference on power. I don't mind the Atkinson saving fuel while I'm just sitting in traffic no need for power lol

SilverTacomaGuy · Jun 4, 2017

kahanabob said: ↑

i have chimed in on a few threads with the same question. would like to have it where that 'back button' is on the steering wheel. if i knew how to identify the wires from the back button i would mod it as i stated.
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Some where like that would be perfect. Quick and simple to use. Not that i use the ect button much but maybe then I'd feel a little more inclined to use it.

BlakeM · Jun 4, 2017

BeanDip said: ↑

The ect is like a mini-turbo button it give the truck some more JUICE and it needs it !!
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Dude.

kahanabob · Jun 4, 2017

Joe23 said: ↑

It doesn't matter if you're in s4 it will still drop gear. When you pressed it it likely went to 3rd gear.
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i thought of that so when i was in S4 no ECT then pushed ECT and got the extra boost i then shifted to S3 to see if it had dropped into 3rd but when i manually did that i went from 4th to 3rd telling me it stayed in 4th the whole time.

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So what do these do?

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