Stalling - O2 sensor?

hi i have a 1999 boxster, i have had it a few months now and it has run great. up to last week. now whenever i accelerate and my rpm gauge reaches 4,000 rpm the engine stalls and drops down to around 2,500 rpm. i had my car smogged a few weeks ago and found that the O2 censor is not working. could this be causing my computer to be on limit mode and not working properly??

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This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: Common Boxster Engine Problems and Failures - 986 / 987

[Wayne 962]

Yes, it's very well possible. I would run and check the fuel injection trouble codes and see what the computer is trying to tell you. See this article for details: http://www.pelicanparts.com/techarticles/Boxster_Tech/20-FUEL-Code_Reading/20-FUEL-Code_Reading.htm

- Wayne