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The wideband oxygen sensor that comes with the kit is factory calibrated and requires no periodic
calibration. If the probe requires to be replaced, the sensor of the same code (0 281 004 026) should be
used. The use of improper sensor will damage it. Before mounting remove the transport protective plastic
cap from the sensor. The sensor should be tightened to 25 Nm.
When the controller is powered and within several minutes after switching off, the oxygen
sensor remains heated to a high temperature. Do not touch the hot sensor and do not let it
touch inflammable components. Do not use the sensor near flammable liquid and gases.
Failure to comply with the above instructions can cause severe burns and fire!
Po After placing the oxygen sensor in the exhaust system, the probe has to be powered all the
time when the engine is running. Disconnected or de-energized probe is exposed to exhaust
gas it will be quickly damaged!
4.1 Lambda probe mounting location
Figure 2. Wideband oxygen sensor mounting location
4.2 Mounting by using the mounting sleeve
It is recommended to mount the oxygen sensor in the exhaust system by using the mounting sleeve that
comes with the kit. The sleeve dimensions are shown in Figure 2. The location of sleeve mounting will vary
depending on the shape of the exhaust manifold used in the vehicle, but compliance with the guidelines
below ensures maximum lifetime of the oxygen sensor and the highest measurement accuracy.
If the vehicle is equipped with a catalyst (catalytic converter), the sleeve should be placed upstream the
catalyst. If the vehicle is equipped with a turbocharger, the sleeve should be mounted downstream the
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