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P1130 Diagnostic Trouble Code Discussion for September 2013

Heated Oxygen Sensor (HO2S-12/HO2S-13) Signal Circuit Demand Changing

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Trouble Ticket Help Requests for DTC P1130
Help Request Posted
2002 Porsche Boxster Roadster 2.7L MIL Lamp on
P1130: lean condition bank 2 idle. So how is possible that we have some vacuum leak and we dont see it ? we smoke test car couple times, used propane , no change . So did any of you guys had something like this on hand ? any help would be nice? also our theory on difference in reading from filt...
September 27, 2013