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ProMaster 2500
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Repair and Diagnosis (Single Page)
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3.6L - DTCS P0138 To P0340
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Diagnosis And Testing
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P0157-O2 Sensor 2/2 Circuit Low
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Set Condition
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Set Condition
The Oxygen Sensor 2/2 signal voltage is less than 0.0 volts for 9.0 seconds.