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Home >> Mazda >> 2004 >> 3 i, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System] >> DTC P0030: Front Ho2S Heater Control Circuit Problem >> Notes

DTC P0030: Front Ho2S Heater Control Circuit Problem: Notes

Fig 1: DTC P0030: Detection Condition & Possible Causes Chart
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