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  3. Passat
    4. : Lambda probe replacement instructions

Volkswagen Passat - Video tutorial

Model: Volkswagen Passat 3BG, B5 - Years 1996-2005
Part: Engine
Operation: Lambda probe replacement instructions

The lambda probe is able to detect the oxygen concentration inside the exhaust gases; through the comparison measurement of the oxygen present in the ambient air, detected at the other end of the probe, the quantity of air in the exhaust gases is indirectly obtained. The probe then transmits the information, via an electric signal, to the control unit (engine control unit) which regulates the injection of fuel and air into the combustion chamber: correct operation is therefore absolutely essential for the regular operation of the engine and above all for consumption. It is advisable to replace the probe when the engine is cold and to obtain the appropriate open key on the front to be able to insert it despite the cable; to reach the probe, remove the coolant tank, remove the probe, unhook the socket and proceed backwards to install the new one.


Posted on 18 August 2023 by ScegliAuto



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