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.
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HOMESERVICE MANUALSACURA2010TL FWD V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORSERVICE AND REPAIRSECONDARY HO2S REPLACEMENT
2010 Acura TL FWD V6-3.5L
Secondary HO2S Replacement
2010 Acura TL FWD V6-3.5LSECTION Secondary HO2S Replacement
Secondary HO2S Replacement
Special Tools Required
- O2 Sensor Socket Wrench Snap-on SWR2 or O2 Sensor Wrench Snap-on YA8875, commercially available
Front Bank (Bank 2)
M/T
1. Raise the vehicle on a lift.
2. Disconnect the front secondary HO2S 4P connector (A), and remove the harness clamp (B).
3. Remove the front secondary HO2S (C).
4. Install the parts in the reverse order of removal.
Front Bank (Bank 2)
A/T
1. Disconnect the front secondary HO2S 4P connector (A), and remove the harness clamps (B).
2. Raise the vehicle on a lift.
3. Remove the harness clamp (A), then remove the front secondary HO2S (B).
4. Install the parts in the reverse order of removal.
Rear Bank (Bank 1)
1. Raise the vehicle on a lift.
2. Disconnect the rear secondary HO2S 4P connector (A), and remove the harness clamps (B).
3. Remove the rear secondary HO2S (C).
4. Install the parts in the reverse order of removal.
RENDER: 1.0x
NO RELATED
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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.