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  1. P1131 Ford Code Meaning, Causes, Symptoms & Tech Notes

    What are the possible causes of OBDII code P1131 in a Ford vehicle? - Possible causes include a faulty oxygen sensor, vacuum leaks, fuel system issues, exhaust leaks, or a problem with the …

  2. P1131 Ford: Symptoms, Causes, and How to Fix - OBD Advisor

    Understand the OBDII Error code P1131 displayed on Ford Vehicles. Learn about its causes and ways to diagnose and resolve this problem.

  3. P1131 Code? Here’s How to Fix It – Quickly and Easily

    Oct 10, 2024 · By finding the P1131 code, you can figure out that the oxygen sensor might be the problem and fix it quickly. Making sure the oxygen sensor works right keeps the air-fuel mix …

  4. P1131 Ford Code: What Does It Mean, Symptoms, And How To …

    Feb 21, 2023 · It is one of the more commonly displayed codes for Ford vehicles and is prevalent in Ford Explorer, Ford Ranger, Ford Escort, Ford Mustang, and Ford F150. This article will …

  5. P1131 Code– Lack of Upstream to the Heated Oxygen Sensor Switch (Ford)

    May 23, 2025 · To clear the P1131 code, you must first repair the problem that caused the code. Then you need to use a diagnostic scanner that is compatible with your vehicle.

  6. P1131 Code on Ford Vehicles: Causes, Symptoms & Fixes

    Sep 3, 2025 · Learn what the P1131 code means on Ford vehicles, its common causes, symptoms, and proven fixes. Find out how to diagnose and repair it today.

  7. P1131 Code: Lack of Upstream to the Heated Oxygen Sensor Switch

    Dec 19, 2024 · Did your scan tool read a P1131 code? Find out what this trouble code means and how to diagnose it through this article.

  8. How to Fix Ford Code P1131 – Meaning, Causes & Full ... - YouTube

    In this comprehensive video, we delve into the intricacies of Ford Code P1131, providing you with a clear understanding of its meaning, potential causes, and...

  9. P1131 code — how to fix error fast - REREV

    Jul 21, 2023 · What does the P1131 code mean? The P1131 code is a diagnostic trouble code (DTC) that indicates a problem with the oxygen sensor in the engine. This sensor is …

  10. P1131 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes

    Feb 13, 2020 · Code P1131 FORD stands for Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1. Read the article to know possible causes, symptoms, and …