cbxpete Posted March 4, 2017 Report Share Posted March 4, 2017 Hi All, Need a little help? 05 Boxster 987. Engine managment light on- Check for problem get Error codes:- PO491/PO492 & PO011 Can anyone tell me what they are and can it be done DIY (not shy of spanners) and any idea of cost of parts? Thanks in advance Peter Link to comment Share on other sites More sharing options...
Chris H1AVFC Posted March 4, 2017 Report Share Posted March 4, 2017 P0491 Secondary Air Injection System (bank 1) P0492 Secondary Air Injection System (bank 2) PO011 Camshaft position actuator A Bank 1 timing over advanced Not sure what your using to read the codes but most code readers come with a book full of the above codes which is where I got my info from? This thread on Renntech might help Link to comment Share on other sites More sharing options...
cbxpete Posted March 4, 2017 Author Report Share Posted March 4, 2017 Just my local garage they plugged the code reader in and came up with the codes (he did say what they were but I forgot) thanks all the same, I'll have a look at that thread later Beer o'clock now for an hour. Peter Link to comment Share on other sites More sharing options...
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