I got the engine code P1131 on my Ford, how can i fix this issue?
Hi there
This code points to a problem with the front O2 sensor on bank 1. In most cases replacing the front O2 sensor will resolve the issue.
P1131 FORD - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1 Read more: https://www.autocodes.com/p1131_ford.html
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