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Home >> Mazda >> 2009 >> 3 Mazdaspeed, 2.3 M >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3 With TC) >> Pcm Inspection [L3 With TC] >> Notes
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Pcm Inspection [L3 With TC]: Notes

IMPORTANT: Be aware that Oxygen sensor terminology differs between California models (3 O2 sensors) and Non-California models (2 O2 sensors). When testing/servicing oxygen sensors, refer to wiring diagrams to properly identify appropriate sensor.