So after "warm" or sometime engine running it would smooth out...? Try find halfcut o2 sensor, I guess at this point just throwing parts at the problem.
Did it happen randomly?, not after a notable event like heavy rain, wash engine bay, etc etc
QUOTE(tctham @ Aug 2 2022, 02:56 PM)
my colleague's vios also same thing. i don't think he found the solution, he just lived with it. seems to be something somewhat common with toyota?
sample size of 2 = common ?bruh
Aug 2 2022, 04:07 PM

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