P0171 Diagnostic Trouble Code Discussion for February 2023
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2008 Toyota Tundra SR5 5.7L MIL Lamp on VIN: 5TFRV54158 P0171: Lean at bank 1. ... Converter stolen and was installed with the aftermarket Cats and 4 aftermarket sensors The codes P0420 /P0430 /P0101/P0171/P0174 always show up. I replaced the Cat/ Converter with the OEs from Toyota ($$$). The custom... |
February 23, 2023 |
