Mapping out o2 sensors on S4 B6

Duncan s4 b6

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hi guys,

Does anyone know someone in the Surrey / Guildford area or mobile that would be able to map out my o2 sensors? Have just completed the piggy mod on the pre cats and whilst the performance gain is considerable idling is intermittently rough. I even put the right angle o2 extensions in with stuffed wire wool but still the ecu is getting a strange anomaly reading it's seems.

Anyway I would recommend it to be done especially with a resonated miltek exhaust which I've had done too.

Kind regards

Dunc
 
simon at cc tech can do this he did mine 6 or 7 years ago
hes up in mansfield though
 
Contact 'Storm Developments' in Reading.

Really nice guys and may be able to help you.
 
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I ran a decat on my Passat 1.8t and had a spacer on the rear 02 sensor but it always smelt as though running rich. I had missed that I should have drilled the hole on the spacer bigger, is this maybe something that would help you as well. I never got round to doing it on the Passat so unfortunately I can't give the result but I never had the engine management light on for the time I ran the decat.
 
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