01-03-2012, 05:10 PM
CF Beginner
Join Date: Jan 2012
Location: Chelsea, OK
Posts: 1
2002 Tahoe codes PO178 and PO179
My Tahoe shows these codes. I don't use flex fuel. Could these codes refer to some other sensor instead of the fuel composition sensor?
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01-03-2012, 05:16 PM
Super Moderator
Join Date: Apr 2006
Location: KC, MO area
Posts: 7,079
Welcome to the forum.
Is your truck built for FlexFuel? If so, then it will have the sensor. Doesn't matter if you burn corn in it or not.
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2010 Sheer Silver Tahoe LTZ (all options but sunroof, power boards), GM (body color flaps, rear console, 3rd row mat, 2-Way Remote, chrome gas door), Eagle Eye LED tails, SLP dual tip exhaust, Silver bow-ties/rear wiper, Catch-All mats, AlphaTherm washer fluid heater, Putco chrome mirror covers, silver calipers, board chrome trim, tint, GMPP Major Guard
2007 Black Tahoe LTZ, (GM
flaps-$15, Lund Step Tubes-$95 -For Sale) (Sold)
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02 , 2002 , chev , chevrolet , chevy , code , codes , compensation , fuel , gm , po178 , po178b , po179 , sensor , suburban
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2002 Tahoe codes PO178 and PO179
