Quote:
Originally Posted by XfireZ51
No. It's O2 sensor safe. I'm hearing from FU that it's a good idea to change your oil after use. Hoping he'll provide an explanation for that.
I also used it on my Vibe GT w 185k miles.
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Didn't read the entire thread but anytime a "pour to stall" TEC (top engine cleaner) is used it's thought to be wise to do it at an oil change. You'll never see it on the container but it's generally the way we did GM TEC on early cars IF it was done as a "pour to stall". Is it an issue? I'm sure there's been millions of cars done without.
Pour to stall puts the TEC in the cylinder.