00GTpony Member Mar 10, 2007 162 0 16 Jan 30, 2008 #1 Jan 30, 2008 #1 Ok guys so today my CEL Came on, it threw the Code P1151 - lack of H02s21 switches..sensor indicates lean. I installed my diablo tune 2 days ago, and put my O/r Mid pipe on 3 days ago... could this have anythin to do with it? If not where do i start?
Ok guys so today my CEL Came on, it threw the Code P1151 - lack of H02s21 switches..sensor indicates lean. I installed my diablo tune 2 days ago, and put my O/r Mid pipe on 3 days ago... could this have anythin to do with it? If not where do i start?
smokin00GT New Member Mar 22, 2007 80 0 0 United States Jan 31, 2008 #2 Jan 31, 2008 #2 Could be a number of things. Have you changed the fuel filter in a while? Your tune might have been made too lean for the mods that you have. It also could be a bad sensor. Good luck, lean codes suck!
Could be a number of things. Have you changed the fuel filter in a while? Your tune might have been made too lean for the mods that you have. It also could be a bad sensor. Good luck, lean codes suck!