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P1131- lack of 02 B1 S1, lean more numbers P0174 Lean Bank 2 P0301 Misfire P0302 Misfire P1151 H02S B2S1 Lean if that helps i paid about $100 for someone to tell me i needed to pay $873 to get two 02 sensors replaced and a mass air flow sensor replaced because i was getting bad miles/gallon... The car would also have problems when i would sit idoling(aka flashing check enging light)... cant spell sorry.

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18y ago
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1w ago

Diagnosis code 1131 typically refers to an issue with the oxygen sensor in a vehicle. In the case of a 1998 Mystique, this code most likely indicates a problem with the oxygen sensor's functionality or the sensor itself, which can impact the vehicle's fuel efficiency and emissions. It is recommended to have the sensor checked and potentially replaced by a qualified mechanic.

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Q: What does diagnosis code 1131 mean no a 1998 Mystique?
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