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-   -   Question on Boxster 02 Sensor (http://forums.pelicanparts.com/boxster-cayman-forum/923467-question-boxster-02-sensor.html)

KPBoxsterS (guest) 07-29-2016 05:57 AM
I have a 2001 bolster s with 132,867 miles and have codes p1128, p1130, p0420 and p0430. Do I need to replace both cats?

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This post was auto-generated based upon a question asked on our tech article page here: Porsche Boxster Oxygen Sensor Replacement - 986 / 987 (1997-08) - Pelican Parts Technical Article

Nick at Pelican Parts 07-29-2016 05:57 AM
I would fix the fuel control faults first. Then see if the cat codes return. Check when the fuel trim is skewed, I can offer more help with that info.

- Nick


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