Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Heated Oxygen Sensor: Installation
- INSTALL HEATED OXYGEN SENSOR
- Using SST, install the heated oxygen sensor onto the front exhaust pipe.
SST 09224-00010
Torque: without SST
44 N*m (449 kgf*cm, 32 ft.*lbf)
with SST
40 N*m (408 kgf*cm, 30 ft.*lbf)
NOTE:- This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.81 in.) and SST with measurement of 30 mm (1.18 in.) (See REPAIR INSTRUCTION ).
- This torque value is effective when SST is parallel to the torque wrench.
- Using SST, install the heated oxygen sensor onto the front exhaust pipe.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.