LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Mazda
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2002
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Tribute ES, FWD
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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 P1128 Or DTC P1129
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
Possible causes are:
Crossed HO2S harness connectors.
Crossed wiring at HO2S harness connectors.
Crossed wiring at PCM 104-pin harness connector.
Poor terminal connection.