Types of used lambda probes
- 1 - unheated probe;
- 2, 3 - heated probes
There are three types of lambda probes used in Audi vehicles. When replacing, you need to install only the same probe that was on the car.
Order of execution
1. Disconnect the probe electrical connector from the wiring harness.
2. Remove lambda probe (see fig. Exhaust system) from the exhaust manifold.
3. Lubricate the threads of the new lambda probe with VAG G5 special grease. Make sure that grease does not get into the slots and holes of the probe. Do not touch the working part of the new probe with your hands, protect it from contamination.
4. Screw lambda probe into exhaust manifold and tighten to 50 Nm (5.0 kgf·m).
5. Connect the electrical connector of the probe.
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