How to carry out replacement: Lambda Sensor 2.0 16V (SW20_) Toyota MR2 SW20
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Change Toyota MR2 SW20 2.0 (SW20_) Lambda Sensor yourself – manuals and video tutorials

How to change lambda sensor on TOYOTA MR 2 II (SW2_) – replacement guide

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When to replace the Lambda Sensor on your TOYOTA MR2
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
TOYOTA MR 2 II (SW2_) 2.0 16V (SW20_), TOYOTA MR 2 II (SW2_) 2.0 16V (SW20_) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Lambda Sensor for MR 2 II (SW2_) and other TOYOTA models
How to change Lambda sensor on Toyota MR2 SW20 2.0 16V (SW20_) – step-by-step instructions for straightforward car repair Lambda sensor
How to change Lambda sensor on MR2 II Coupe (W20) – tips for proper car maintenance
Lambda sensor for MR2 II Coupe (W20) Petrol (175 hp)
Simple DIY car repair steps – Replacing Lambda sensor on MR2 II Coupe (W20)
Lambda sensor for MR2 II Coupe (W20) Petrol (170 hp)
Tools
Replacement: lambda sensor – TOYOTA MR 2 II (SW2_). Tools you might need:
Wire brush
WD-40 spray
High-temperature ceramic grease
Electronic spray
Torque wrench
Combination spanner #22
22-mm oxygen sensor socket
Ratchet wrench
Thread tap
Flat Screwdriver
Long nose pliers
Buy tools
Replacement: lambda sensor – TOYOTA MR 2 II (SW2_). AUTODOC experts recommend:
  • After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
  • Before getting down to work, start the engine and let it warm up to operating temperature.
  • Please note: all work on the car – TOYOTA MR 2 II (SW2_) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Raise the front of the car and secure on supports.
    Step 2
    How to change Lambda Sensor on Toyota MR2 SW20 1989 - free PDF and video manuals
    Detach the oxygen sensor connector. Use a flat screwdriver. Use long nose pliers.
  2. Step 3
    How to replace TOYOTA MR 2 II (SW2_) 2.0 16V (SW20_) 1990 Lambda Sensor - step-by-step manuals and video guides
    Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray.
  3. Step 4
    Toyota MR2 SW20 2.0 Turbo (SW20_) 1991 Lambda Sensor replacement: free workshop manuals
    Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench.
  4. Step 5
    Changing Lambda Sensor on TOYOTA MR 2 II (SW2_) 2.0 (SW20) 1992 by yourself
    Clean the oxygen sensor mounting seat. Use WD-40 spray.
  5. Step 6
    How to remove TOYOTA MR2 2.2 (SW21_) 1993 Lambda Sensor - online easy-to-follow instructions
    Remove the oxygen sensor.
  6. Step 7
    How to replace Lambda Sensor on TOYOTA MR 2 II (SW2_) 1994: download PDF manuals and video instructions
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
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