00 ssclone Posted October 28, 2012 Report Share Posted October 28, 2012 Well I don't know If y'all remember that I had a problem with my truck couple weeks out bout it being the o2s well I changed them and my truck got fix well know I notice my truck wasn't felling the same as usually so I plugged in the diagonstics scanner and it said P0171 system too lean (bank 1) and P0174 system too lean (bank 2) I just changed those out a couple of weeks ago can the both b ****ed up again or wat can it the problem b in advance thanks Quote Link to comment Share on other sites More sharing options...
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