UPDATE BELOW
I bought the $60 NTK 5-wire O2 sensor on Ebay. I ordered it last Friday and it was in my mailbox today for about $62 shipped. This link may not still work, but here is the listing.
http://cgi.ebay.com/ebaymotors/ws/eB...053122822&rd=1
From the ad, it seems that the sensor comes without a connector and you have to splice it to your connector using butt connectors. However, when I received the sensor today, this is how it looked.
It had the connector, and it is the right connector! It plugged right into my VX. After installing it, I drove my car about 20 miles. The CEL hasn't come back on. With my old O2 sensor, if I cleared the computer and drove it, the light would come back in 5-10 minutes. So far it appears to be a good sensor.
I will update this thread to let you know how this thing holds up.
Here's my VX.
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