Tuesday 8 May 2018

P0158 Porsche Cayman S (987) F6-3.4L

P0158
P0158
Diagnosis information - DME (DFI)
Oxygen sensor behind catalytic converter, bank 2, above limit value
NOTE:
- Do not use contact spray on the oxygen sensor's plug connections as this will result in irreparable damage to the lines (blockage of reference
air duct).
- Do not interchange the oxygen sensor ahead of catalytic converter with the sensor behind the catalytic converter as this will result in
implausible fault entries.
Diagnostic conditions
- Engine at operating temperature
- Then drive for 2 min.
- Then engine idling > 30 seconds
Possible fault causes
- Short circuit to B+ in signal line
- Oxygen sensor faulty (short circuit to B+)