P1128 Code: Easy Steps to Solve It
The P1128 code is a diagnostic trouble code (DTC) that indicates a problem with the fuel system in your vehicle. Specifically, it means that the powertrain control module (PCM) has detected that the engine is not achieving closed-loop fuel control on bank 1. This code is typically seen in Chrysler, Dodge, and Jeep vehicles, but can also appear in other makes and models. P1128 Code