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#16: 12-05-2012, 04:38 AM
itzed's Avatar
Title: Senior Member
Location: Fallston, Maryland
Car: 2006 Legacy SE - 5 Spd
Posts: 252
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I found my original window sticker, and there is no mention of partial zero. Also did some research on the web and it seems that it was an option and not all cars had it in 2006, so I'm thinking mine is not. That means its out of warranty. I can do the work myself, just not sure what to do. I don't think any aftermarket scanners can detect enough to isolate the problem and determine whether its an O2 sensor, or the cat, or an imbalance in the fuel supply, etc. At the moment, the light is off again, and my emissions test expires in February, so I would expect to get that notice someday soon. Regarding that, does anyone really know what constitutes a "driving cycle", or how many miles need to be on the car before they will pass the test?