Thread: Need to replace O2 sensor, where is it?
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paulv paulv is offline
Paul V
 
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Join Date: May 2011
Location: Boston, MA
Posts: 133
Quote:
Originally Posted by dmcummins View Post
Ive got around 100k now on the old Boxster and I have a CEL. Code is P0134:
O2 sensor ahead of cat. conv. Cylinder (1-3).

........
That code is for an interruption of signal from the O2 sensor to the DME, so check the wiring harness (signal and ground) also.

Regards,
paul...
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07 Boxster S, 03 MB E320 (wife's car), 10 Subie Forester X
Old 07-12-2012, 04:16 AM
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