Quote:
Originally Posted by sfoster13
Getting these two codes:
PO139 - Fault Code 17 - Sensor ageing behind cat converter cylinder (1-3)
PO140 - Fault Code 12 - O2 sensor behind cat converter cylinder (4-6)
Car is a 2002 S
Nothing about the cat itself?
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When the CAT starts to fail you will get its own code saying that its not efficient any more or something like that.
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"It broke because it wants to be Upgraded  "
2012 Porsche Performance Driving School - SanDiego region
2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP,
Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)
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