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You have a volkwagon jetta vr6 2000 2.8 manual trans my check engine light came on you had the cat changed and both o2 sensors 250 miles later my light came on again 0420 CODE?
Wiki User
∙ 12y ago
well I read about this happening somewhere else I cant really recal it but from what I remember the o2 sensors where changed and then there is a problem in the wiring with o2 sensors
Wiki User
∙ 12y ago
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