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I think it's time for new O2 sensors
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08-25-2013, 07:31 PM
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Topless
Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Lil Red
2009 Porsche Cayman 2.9L
P0134/P0154 sound like broken connection or failed DME, not aging O2 sensors. Possibly a rodent damaged the wiring at a bulkhead.
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