C8 DHC 04WRX

iTrader: (13)

My Grandad passed away recently and Im just in the process of selling his x-reg 1.6 16v megane.

It had a new post cat lambda sensor to get it through the MOT but the emissions fault light has now come back on again. I did a bit of research and found that there is also a pre cat lambda sensor which could be the fault. I replaced this today but the light is still on! I drove the car 200+ miles home 2 weeks ago with the light on and it runs perfectly.

Any ideas?

Car has only done 44k miles so surely the cat itself is still ok?

JDM_Stig

iTrader: (3)

have you plugged it into a computer to check what the new code is that its found ?

TheWorx

i'm quite good with renault especially the F7R and F7P Engines give me a pm etc if you need some work doing

C8 DHC 04WRX

iTrader: (13)

Bought an OBD2 scan tool for £20, showing O2 sensor faults, erased, 60miles happy motoring, problem solved!