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What is p1133 code?

Updated: 12/19/2022
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14y ago

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AnswerA/F Sensor Circuit Response Malfunction!!

Oxygen sensor bank one sensor one slow response or at limit. This code is for the front 02 sensor on the side of engine that has the number one cylinder. May be caused by vaccuum leak or bad sensor.

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14y ago
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14y ago

Depends on the make of vehicle, but usually has to do with an Oxygen Sensor not switching/reading properly.

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Q: What is p1133 code?
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