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Re: Brief torque loss during acceleration, a potential life-threatening event.

Posted: Mon Jan 07, 2019 12:22 am
by LeftieBiker
Eco mode just re-maps the throttle response so that you have to move the pedal farther to get the same amount of power. Flooring it still produces 100% power. Whatever is going on it isn't the result of some inadequacy of Eco mode. With the 2013+ Leaf, flooring it and holding it there produces slightly less acceleration than flooring it, backing off slightly, then flooring it again. That applies in Drive mode as well.

Re: Brief torque loss during acceleration, a potential life-threatening event.

Posted: Mon Jan 07, 2019 9:29 am
by rogersleaf
LeftieBiker wrote:Eco mode just re-maps the throttle response so that you have to move the pedal farther to get the same amount of power. Flooring it still produces 100% power. Whatever is going on it isn't the result of some inadequacy of Eco mode. With the 2013+ Leaf, flooring it and holding it there produces slightly less acceleration than flooring it, backing off slightly, then flooring it again. That applies in Drive mode as well.
I can’t say for sure if related to eco mode, mine tended to be in eco mode all the time. I do recall one no-acceleration event where I bumped the shifter from B mode to D mode and it corrected the situation immediately. Got the impression it was more B vs. D, than eco on/off, or changing mode might be enough to wake up the computer.

Re: Brief torque loss during acceleration, a potential life-threatening event.

Posted: Sat Feb 23, 2019 11:38 pm
by rduclos
The following edit has been added to the title post of this thread:

Two months and two thousand kilometers later on the same car and driver this has not happened again!
So why it happened (about five times) last December is still a mystery. The last time was particularly bad as it occurred twice during the same acceleration while moving into a traffic stream ahead of another vehicle --- very upsetting at the time and leading me to post this notice the same day. I continue to drive more cautiously in traffic as a result.

Re: Brief torque loss during acceleration, a potential life-threatening event.

Posted: Sat Feb 23, 2019 11:57 pm
by rduclos
Weather here in Nova Scotia, Canada has been pretty constant over the past two months, still slightly below the freezing point on most days when I drive, and about the same as when the events happened, so temperature wouldn't appear to be a factor.

Re: Brief torque loss during acceleration, a potential life-threatening event.

Posted: Sun Feb 24, 2019 7:32 am
by DaveinOlyWA
rduclos wrote:Weather here in Nova Scotia, Canada has been pretty constant over the past two months, still slightly below the freezing point on most days when I drive, and about the same as when the events happened, so temperature wouldn't appear to be a factor.
But you admit to driving more cautiously.

Re: Brief torque loss during acceleration, a potential life-threatening event.

Posted: Sun Feb 24, 2019 9:01 pm
by rduclos
DaveinOlyWA wrote:But you admit to driving more cautiously.
I drive more cautiously in traffic, but I also drive on rural roads every day well away from other vehicles where I can test the car's acceleration safely.