All Things Mk5 > Performance Modifications

Fault codes after fitting sports cat, no EML on.

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sean.smithy94:
Hi, on the weekend I fitted my sports cat and downpipe, all is well and good but ive had two fault codes come up but no engine management light on.

P0139
P2196

I will be getting the car remapped but I don't know when due to funds being tight, does anyone know if this is going to be a problem it's it's run like it for a couple of months?

Thanks.

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pudding:
Both of those are O2 probe faults, not catalyst efficiency faults.   If they are Bank 1 sensor 1, then definitely fix it before driving it.  Probably a knackered sensor, or you damaged the wiring to it when fitting the DP?

If it's sensor 2, ignore it. Get it mapped out.

sean.smithy94:

--- Quote from: Pudding on June 27, 2017, 11:00:28 am ---Both of those are O2 probe faults, not catalyst efficiency faults.   If they are Bank 1 sensor 1, then definitely fix it before driving it.  Probably a knackered sensor, or you damaged the wiring to it when fitting the DP?

If it's sensor 2, ignore it. Get it mapped out.

--- End quote ---
One of the fault it's saying it's bank 1 sensor 1, which is the front one but I had that replaced two weeks ago so I hope it's not that.

I'm not sure about the wiring as i didn't fit it myself.

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