Oxygen sensor codes?

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07-19-2006, 03:20 PM

mdd71

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Join Date: Jul 2006

Posts: 1

Oxygen sensor codes?

After scanning for codes on my 2001 vw passat 2.8L In motion V6 I captured two codes. One is PO420 and P0430. I believe these are o2 sensor codes? This vehicle has 4 which two need to be replaced?
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07-20-2006, 10:10 AM

bagel

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Join Date: Aug 2005

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Posts: 1,384

RE: Oxygen sensor codes?

I would think a Haynes manual would tell you, or like an AutoZone or any parts store.

10-06-2006, 02:30 AM

Magavin213

Join Date: Oct 2006

Posts: 3

RE: Oxygen sensor codes?

1999 to 2002 Passats are notorious for throwing oxygen codes. Since theres 2 sensors its twice as bad. Sux I know. The best thing to do is buy a scanner yourself so you can do scans yourself.