problem acceleration after battery jumpstart

[yaristotle]

Like the fool that I am, I left the lights on all day on my 2007 Yaris manual transmission :frown: and came back to dead battery. I had the battery jump started and now the car has problems on acceleration. Starting on, I have to press down harder on accelerator pedal to get going and when I shift, I also have to press down a little more and shifts are not as smooth. Any idea of the problem and solution?

[yarisimean]

Maybe the computer has to relearn how you drive since yaris has an electronic throttle. As for the not so smooth shifting, I have no idea but I find it unlikely that it has to do with the electronics since you are the one doing the shifting.

I'm just spitballing. I'm interested to know what it is.

[WeeYari]

I imagine by now the OP no longer has an issue. Whenever the battery has been drained or disconnected, the ecu goes through a learning phase. Until it figures everything out again, you experience extremely low and erratic idle.

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