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216 Posts
Discussion Starter · #1 ·
Hello,

I was just wondering how many o2 sensors the Mk4 R32 has and how you go about checking whether they are faulty?

Cheers
 

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86 Posts
there are 4 2 main in the down pipes and 2 after the cats, if u have vag com it will tell you if there is a problem with them and which one it is
 
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