When to replace the Lambda Sensor on your SEAT TOLEDO
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
SEAT Toledo II Saloon (1M2) 1.8 20V, SEAT Toledo II Saloon (1M2) 1.4 16V, SEAT Toledo II Saloon (1M2) 1.8 20VT, SEAT Toledo II Saloon (1M2) 1.6 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

Tools
Replacement: lambda sensor – SEAT TOLEDO II (1M2). List of the tools you'll need:
Wire brush
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Drive socket # 10
22-mm oxygen sensor socket
Thread tap
Ratchet wrench
Replacement: lambda sensor – SEAT TOLEDO II (1M2). 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 – SEAT TOLEDO II (1M2) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Lift the car using a jack or place it over an inspection pit.
    Step 2
    How to change Lambda Sensor on Seat Toledo 1m 1998 - free PDF and video manuals
    Unscrew the fasteners of the oxygen sensor housing cover. Use a drive socket #10. Use a ratchet wrench.
  2. Step 3
    How to replace SEAT Toledo II Saloon (1M2) 1.9 TDI 1999 Lambda Sensor - step-by-step manuals and video guides
    Remove the oxygen sensor housing cover.
  3. Step 4
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    Detach the oxygen sensor connector.
  4. Step 5
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    Disconnect the oxygen sensor wiring.
  5. Step 6
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    Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray.
  6. Step 7
    How to replace Lambda Sensor on SEAT Toledo II Saloon (1M2) 2003: download PDF manuals and video instructions
    Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench.
  7. Step 8
    How hard is it to do yourself: Lambda Sensor replacement on Seat Toledo 1m 1.8 20VT 2004 - download illustrated guide
    Remove the oxygen sensor.
  8. Step 9
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    Clean the thread to prepare it for installing a new oxygen sensor. Use a thread tap. Use a ratchet wrench.
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DIY SEAT Toledo II Saloon (1M2) Lambda Sensor replacement - online guide
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