ECT

i have a fairly steep hill about a 1/4 mile long into my subdivision. if i take it in drive the truck shifts into 4th, that is too high. if i use S mode 3rd gear is just right to take the hill. when i go up the hill in ECT it shifts to 3rd and holds there thus ECT gets it correct.

 

Wonder if a light can be hooked up in parallel with the atkinsons solenoid to identify when it's active. Honda drivers used to do this with the VTEC solenoid.

 

Is the big green "ECT" light in the gauge cluster not enough?

 

Is it confirmed that its off with ETC on?

I also would like to know when its active with ECT off.

 

I have Techstream. I wonder if there is a value that identifies whether you are in Atkinson cycle. If so, I can check it for the community.
@Howanic @Murrayb4

 

possibly, but its not hard to feel when its in the cycle.

 

ECT mode most definitely re-maps the engine control. It is a poorly named switch.

Trans shift points are recalibrated and engine management goes into 'power' tune.

Whether fuel efficiency improves or worsens depends on the situation. In some cases, ECT will return better numbers but the only way to know is to alternate between modes, while driving, and watch your MPG bar.

Whether Atkinson is bypassed during ECT 'on' has not been established well enough to satisfy the 7-year-olds who shout, "Prove it! Prove it! Prove it!" but it is completely irrational to think the truck would go into Atkinson cycle while set to anything labeled 'power'.

 

Proof?

 

I've been using all the time lately but definitely see the cost of MPH unfortunately...

 

I do like the responsiveness better when it's on. Feels like I have the power that's otherwise missing when I'm in traffic, but I don't use it often because I don't know if it's bad on the engine or tranny long term.

 

There's enough threads on this. You should be able to find your answer.

 

I typically drive with ect on and in sport mode 90% of the time. I feel it's more responsive and more fun overall. I have not noticed any major mpg changes. The only thing I have noticed is that it doesn't appear to shift into 6th gear when I'm using sport mode, but maybe that is by design.

 

bold..........I wonder the same

 

I Don't know if you watched this

https://youtu.be/X_jZbYL6xi4

 

after watching it how can i lock out the atkinson cycle? i am sorry i am old school both valves closed on compression stroke.

 

Get a FERD..!

 

This thread was started 4.5 months ago... He probably figured that out by now.

 

You'd think he'd be smart enough to look at the date and realize it was posted before he even joined before being so helpful..

 

No cause for concern. The way it's wired, the "normal" mode is more like an "eco" mode and ECT mode is akin to "normal" in any other vehicle.