Just spent over an hour at renault trying to get the right lambda sensor for my car.
I was told it should have 3 wires, but it had 1. I was told it should be near the Cat, but it was near the manifold. I was even told i had a 1.2engine!!!
They had to get a mechanic out to find the engine number and even then they werent sure! Absolute nightmare, oh well off to work...