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Discussion Starter · #1 ·
hey there...
i need some help with the vag-com.
i have a 1996 a4 quattro 2.8
i ran vag com and got code 16520 - oxygen sensor b1, s2...i not sure if the o2 sensor is bad or if the cat could be bad. when i clear the code, it takes about 3 days to come back??
also i got code 00526 brake light switch - 27-00 implausable signal...im lost where to even start with this one.
any help would be appreciated...
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