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Mazda
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2003
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B3000 SE, 3.0 V, Standard
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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 P0136, DTC P1137 Or DTC P1138
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Possible Causes
Possible Causes
Possible causes are:
Contaminated or damaged sensor.
Crossed sensor wires.
Exhaust leaks.
Pinched, shorted or corroded wiring or connector pins.