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How to change lambda sensor on AUDI TT Roadster (8N9) – replacement guide
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Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T quattro, AUDI TT Roadster (8N9) 1.8 T quattro, AUDI TT Roadster (8N9) 1.8 T … View more
The steps may slightly vary depending on the car design.
AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T quattro, AUDI TT Roadster (8N9) 1.8 T quattro, AUDI TT Roadster (8N9) 1.8 T … 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 TT Roadster (8N9) and other AUDI models
Lambda sensor
Lambda sensor
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 – AUDI TT Roadster (8N9). 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 – AUDI TT Roadster (8N9) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Lift the car using a jack or place it over an inspection pit.Step 2
Unscrew the fasteners of the oxygen sensor housing cover. Use a drive socket #10. Use a ratchet wrench. - Step 3
Remove the oxygen sensor housing cover. - Step 4
Detach the oxygen sensor connector. - Step 5
Disconnect the oxygen sensor wiring. - Step 6
Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray. - Step 7
Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench. - Step 8
Remove the oxygen sensor. - Step 9
Clean the thread to prepare it for installing a new oxygen sensor. Use a thread tap. Use a ratchet wrench.
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