July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC P0171: System Too Lean Bank 1: Notes

NOTE: For the diagnostic procedure, refer to DTC P0172. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC P0172 SYSTEM TOO RICH BANK 1 .