2011 Terrain codes; P228D, P0089, P0016, P0017

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NoDak Ninja

NoDak Ninja

Well-Known Member
Thanks @m.mcmillen; I have a clone ELM OBDII reader and use Car Scanner Pro. It cleared the "stored" and "pending" codes, but it wasn't clearing the "permanent" codes.

However; after idling a few times today to beat the cold, and then driving home, it seems to have cleared up. No more codes coming up and idle is much smoother. There's still a little bit of variance in RPM, but no missing, and no large swings.

I did put a can of SeaFoam in the tank when I filled it this am...don't know if that gets any credit or not...?
 

m.mcmillen

Gold Supporter
Good! Hopefully it is good to go now. You should still get the CASE relearn done. I’ve seen them pop out false misfire codes before because of work done and the CASE relearn not done.
 

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