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o2 Sensors some suggestions
Hi your check engine light will most likely come on very soon again. I had the same code and checked the functions of all the sensors on my KTS 500 Porsche tester and found most of the O2 sensors slow. Depending on you mileage if its up there I would replace all the sensors. Do the job one time. I replace all the O2 sensors on my 911 because I knew I would end up under my vehicle every time I got a code for it. Mileage problems could be from the O2 sensors however many other problems can contribute to poor mileage such as clogged air filter stuck open thermostat dirty injectors and so on. JW 1999 Boxster and 2000 Carrera 911
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