LEMON Manuals
: Even more car manuals for everyone
Home
>>
Mazda
>>
2002
>>
Tribute LX, 4WD
>>
Repair and Diagnosis
>>
Engine Performance
>>
Testing & Diagnosis
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Tests
>>
DTC P1128 Or DTC P1129
>>
Possible Causes
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.