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2020
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Pacifica Touring L, Gas/Ethanol
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Repair and Diagnosis
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Engine Performance
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3.6L - DTCS B1810 To P00FD
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Diagnosis And Testing
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P0031-O2 Sensor 1/1 Heater Circuit Low
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Set Condition
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Set Condition
The Powertrain Control Module (PCM) detects that the O2 Sensor 1/1 Heater circuit resistance is below approximately 2.0 Ohms.