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.

2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Heated Oxygen Sensor: Removal

REMOVE FRONT DOOR SCUFF PLATE LH (See REMOVAL )
REMOVE FRONT DOOR OPENING TRIM COVER LH (See REMOVAL )
REMOVE FRONT DOOR SCUFF PLATE RH (See REMOVAL )
REMOVE FRONT DOOR OPENING TRIM COVER RH (See REMOVAL )
REMOVE FRONT FLOOR FOOTREST LH (See REMOVAL )
REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)
1. Remove the front floor silencer pad LH.
2. Disconnect the heated oxygen sensor connector
  
  Fig 1: Locating Heated Oxygen Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the grommet.
4. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
  SST 09224-00010
REMOVE HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)
1. Remove the front floor silencer pad RH.
  
  Fig 2: Removing Front Floor Silencer Pad RH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the heated oxygen sensor connector.
  
  Fig 3: Locating Heated Oxygen Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the grommet.
4. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
  SST 09224-00010
  
  Fig 4: Removing Heated Oxygen Sensor From Front Exhaust Pipe Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready Tools Compare Repair Quote Quote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty

Get a Free Quote

No obligation. See pricing before you book.