NAC..'00 VW Passat 4Motion...$7200 in repairs!!!

[Robert Myers]

John,

AFAIK, an oxygen sensor is an oxygen sensor is an oxygen sensor.  As long 
as you stick with the proper number of wires, 1, 3 or 4, and as long as the 
proper wires are connected to the right place in the car's wiring harness 
all newly purchased oxygen sensors are identical.  They all work the same 
way and send the same voltage signals under the same conditions.

At 03:38 PM 6/10/2005, John Larson wrote:

>*This message was transferred with a trial version of CommuniGate(tm) Pro*
>You said:  Here's one on-line (for a 1.8T) for 
>$210:.............snip....................
>
>Beware of these.  Many states, and probably federal law, virtually 
>prohibit aftermarket OBD2 cats.  I deal with 2 quality catalytic converter 
>companies that can't sell OBD 2 cats because they have to go through a 
>testing and quality control procedure much the same as the auto 
>manufacturers.  MAJOR dollars!  Marvin Miller, a well known manufacturer 
>of aftermarket cats, has just recently brought to market a couple of units 
>for some late 90s BMWs, but doesn't have anything for VAG products 
>yet.  In addition, a generic O2 sensor is apt to fail to meet the needs of 
>the ECU, and may not function properly when installed in a sytem with 2 
>sensors.  I'm not saying it won't work, but it MAY not work with the OBD2 
>ECU.  You get a code, you can't pass an emissions test until it's 
>repaired, cleared, and you complete a rather complex drive cycle, which 
>can take days.  In fact, if the aftermarket or used converter you buy 
>doesn't work 100% like the OE one, you're likely to get codes for that, 
>and the same thing applies.  John
>
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Bob
Http://Chips-Ur-S.com