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Home >> Mazda >> 2009 >> 3 i Sport, 2.0 F, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (LF, L3) >> Pcm Inspection [LF, L3] >> Notes

Pcm Inspection [LF, L3]: 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 SYSTEM WIRING DIAGRAMS article to properly identify appropriate sensor.