1.8L / 2.0L Duratec Petrol Engines (Mondeo Mk3)
Hello,
My 2005 Mondeo MkIII 1.8 SCI developed an engine management fault, which I've narrowed down to being the upstream lambda sensor. I've been told that the part I need is OZA659-EE43. However, the part on my engine appears to be unusual, and has 5 wires on it: red, white, grey, yellow and...