Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1128 - The heated oxygen sensor (H02S) 1 on bank 1 is sending an incorrect signal, affecting engine fuel control.
DTC P1128 RAM
18.10.2025
4398
1 minute of reading
Video for "Error p1128" on YouTube
The following error codes are often searched for
Comments on the article