O2 sensor
AudiWorld Super User
Joined: Jul 2013
Posts: 2,664
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From: In the Cloud
Bosch O2 sensors have always worked well for me. Get yourself a good crimping tool and use butt splice connectors, Use the generic Bosch sensors, they are exactly what you need at a fraction of the VAG part.
Thread Starter
Audiworld Junior Member
Joined: Aug 2013
Posts: 14
Likes: 0
From: Winchester nh
Ok, so do I need to put the 2 o2 sensor after the cat? Reason I'm asking are 1. I have SSAUTOCHROME down pipe without cats, 2. I have an apr tune ecu that has 2 o2 sensor deleted. Do I have to plug the hole of the new downpipe? See picture.
Last edited by Odalis12; Aug 25, 2016 at 09:57 AM.
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