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The trouble code P1131 for a Ford Taurus indicates a problem with the air-fuel ratio sensor, specifically that the sensor is reporting a lean condition (too much air, not enough fuel) in the engine's exhaust. This can be caused by various issues, such as a vacuum leak, a malfunctioning fuel injector, or problems with the mass airflow sensor. Addressing the underlying cause is essential to ensure proper engine performance and efficiency. It's advisable to perform a thorough diagnostic to pinpoint the exact issue.

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AnswerBot

2mo ago

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