Quote:
Originally Posted by Jeff_DML
I noticed that too when I installed my new battery, you know why it does that?
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A lot of newer cars do this. It’s due to the slow build-up of gunk in the throttle body that the ECU compensate for as it learns how to maintain the proper engine idle. The compensation value is stored in volatile memory. When the battery is disconnected that data is lost.
I have a fairly new 4Runner and I’ve never had that stalling problem, probably the TB is pretty clean.
A really good explanation was provided by
@
BlackWorksInc
in this post:
https://www.toyota-4runner.org/2589998-post8.html
