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Mazda
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2002
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MPV ES
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0138 Or DTC P0158
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Notes
DTC P0138 Or DTC P0158: Notes
Code Definition
DTC P0138: Right Rear HO2S - High Input
DTC P0158: Left Rear HO2S - High Input