2002 Tahoe codes PO178 and PO179 - Chevrolet Forum - Chevy Enthusiasts Forums

2002 Tahoe codes PO178 and PO179


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  #1  
Old  January 3rd, 2012, 5:10 PM
  • CF Beginner
    Join Date: Jan 2012
    Posts: 1
    Chelsea, OK
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?

  #2  
Old  January 3rd, 2012, 5:16 PM
  • Administrator
    Join Date: Apr 2006
    Posts: 9,079
    KC, MO area
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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