Quote:
Originally Posted by 4R4Trout
I have seen similar codes on a 2006 GMC Yukon after installing a K&N drop in oiled filter. Fuel mileage tanked in addition to the code. I re-installed the stock air filter, cleaned the MAS and never got the code again. Fuel mileage came up too. Never again K&N.
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I have stock air filter, never messed with it, for some years prior to this, LTFT1 has been 8%, LTFT 2 18%, no cel, the cel just came up a couple of months ago, fixing to remove the injectors and service, trawled youtube and the forum, no detailed video or picture of the process.
have you come across any?
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2005 v6, galactic grey 4wd auto :
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