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3 i, Standard
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On-Board Diagnostic [Engine Control System]
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DTC P0031: Front Ho2S Heater Circuit Low Input
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California Emission Regulation Applicable Module
California Emission Regulation Applicable Module
Fig 1: DTC P0031: Detection Condition & Possible Causes Chart (1 Of 2)
Courtesy of MAZDA MOTORS CORP.
Fig 2: DTC P0031: Detection Condition & Possible Causes Chart (2 Of 2)
Courtesy of MAZDA MOTORS CORP.