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Stig
28-07-2010, 12:28 PM
So I've had this CEL thrown for a whlile now, got a code 41 which relates to the primary oxygen sensor.

Exhaust smelt like crap, car was running to rich so I could smell the fumes.

So I brought a new O2 sensor, installed it, car runs, exhaust doesnt smell anymore

But the CEL light remains, any suggestions to fix it?

I've tried resetting the ECU (disconnect battery for 10mins etc) and it still came back as CEL Code 41.

Thought I didn't disconnect the battery for long enough so I'm going to leave it for 2 hours and come back to it later.

Someone suggested it also could been a blown fuse throwing the oxygen sensor, if so anyone know which fuse it is?

Nepolian
28-07-2010, 02:43 PM
Any mods on the car?

De-fouler may help!

Stig
28-07-2010, 02:51 PM
just a sri and a full cat back, defouler only works for the secondary oxygen sensor