mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Oxygen Sensor|Testing and Inspection > < Engine Controls - O2 Sensor Removal Precautions|Page 1666
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Oxygen Sensor: Locations

1. Main silencer
2. HO2S (Rear)
3. Middle pipe 
4. H02S (Front)
5. Front pipe
6. Exhaust manifold insulator No.1

(See Exhaust Manifold Insulator Removal Note)

7. Exhaust manifold insulator No.2 
8. EGR pipe
9. Exhaust manifold

10. Exhaust manifold

(See Exhaust Manifold Gasket Installation Note)

Oxygen Sensor|Testing and Inspection > < Engine Controls - O2 Sensor Removal Precautions|Page 1666