Attention: The connecting wire of the lambda probe must not be repaired or soldered. If the wire is damaged, replace the lambda probe assembly.
Removing
Engine 1.25 / 1.4 l: unscrew the twelve bolts and remove the heat shield from the exhaust manifold.
Remove the plug (1).
Unscrew the lambda probe (2) from the front (reception) exhaust pipe.
Installation
Attention: When replacing the lambda probe, use exactly the same unit.
Clean thread.
Lubricate the thread of the lambda probe only with special grease for lambda probes. New lambda probes are already lubricated with this grease. Grease must not get on the splines or holes in the lambda probe housing. If possible, do not touch the housing of the new lambda probe and do not contaminate it.
Attention: If the probe is screwed in without lubrication with a high-temperature compound, the threads may rust over time, and therefore the lambda probe cannot be subsequently unscrewed.
Screw in lambda probe and tighten to 40 Nm.
Plug in the lambda probe plug.