P0431 Question
P0431 - post cat O2 sensor, passenger side
My questions are:
Would there be any signs it was going bad or are they binary - they work or they don't?
Any issue if I have to drive it a bit with it bad until the parts arrive from our site sponsor?
This is on my CSS.
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GPRPCA Chief Driving Instructor
2008 Boxster S Limited Edition #005
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1989 928 S4 5 spd - black
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