2024年3月21日 · What Does the P1131 Code Mean? The P1131 code indicates that the heated oxygen sensor contains a failure in the upstream flow. Therefore, Bank 1 is seen as running …

2022年9月29日 · What does the OBDII code P1131 "Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1" mean for a Ford vehicle? - It means that the upstream …

Causes and fixes for a Ford P1131 engine code, Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1How To Test Upstream Oxygen Sensor 1 ...

In simple terms, the OBD II code P1131, when displayed on your Ford Vehicle, indicates the PCM detected a malfunction. By estimating the O2 amount, the PCM assesses whether the engine …

2016年11月14日 · What are the common causes of code P1131? Engine vacuum leak – most common; Restricted fuel injectors – next most likely, especially if poor quality fuel has been …

2023年7月21日 · The P1131 code is a diagnostic trouble code (DTC) that indicates a problem with the oxygen sensor in the engine. This sensor is responsible for measuring the amount of …

P1131 code relates to upstream HO2S issues. Factors causing P1131 include sensor, vacuum, fuel, and misfire problems. Symptoms: poor gas mileage, check engine light, acceleration …

The diagnostic trouble code P1131 indicates a problem with the upstream heated oxygen sensor on Bank 1 of the engine. The upstream heated oxygen sensor is responsible for monitoring the …

2022年9月29日 · The code means that the Powertrain Control Module (PCM) has detected a lean system, which means that there is either not enough fuel or and excessive amount of air in the …

2024年12月19日 · The P1131 code can be caused by a dirty or malfunctioning MAF sensor, fuel pressure issues, a bad upstream oxygen sensor, an engine vacuum leak, or a fuel injector or …