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Mazda
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2002
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Tribute LX, 4WD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0136, DTC P0156, DTC P1137, DTC P1138, DTC P1157 Or DTC P1158
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Possible Causes
Possible Causes
Possible causes are:
Pinched, shorted or corroded wiring or connector pins.
Crossed sensor wires.
Exhaust leaks.
Contaminated or damaged sensor.