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Old 07-16-2021, 06:34 AM   #25
RZNT4R
Professional Mechanic
 
Join Date: Apr 2010
Drives: 2017 86 6MT Oceanic
Location: Quebec, Canada
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Quote:
Originally Posted by 4n0m41y View Post
Wait a minute. I just remembered something. Way back when I first got this thing I took it to the dealer I got it from (was a hyundai dealer someone traded this in after putting 6k miles on it for some reason) for an oil change once (cause free oil changes for a year) and they put conventional 5w-30 in it! I made it a couple miles down the road and realized something wasn't right...It was running kind of similar to how it is now, like it felt way down on power. I turned around, took straight back and said...tf? This thing should be running a full synthetic 0w-20. They changed it out, and back to normal.

So with this realization, plus if the avcs system uses oil pressure for engagement (like those solenoids on the bseries engines...just guessing)...now I'm wondering if, hell maybe I just need an oil change? Last change was about 14 months ago...BUT...BUT...hear me out....It's only been driven about 4k miles sense then. Think this full synthetic oil could have broken down to the point that it's ****n off the avcs system? Or am I connecting dots that aren't there >_<.

I'm running 5W30 synthetic right now, it's not affecting the AVCS.
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