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P0492 Diagnostic Trouble Code Discussion for June 2014

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Trouble Ticket Help Requests for DTC P0492
Help Request Posted
2004 Porsche Boxster S 3.2L MIL Lamp on VIN: WP0CB29874
P0492: . ... faults,p0491 and p0492. I removed the secondary air pump hose and activated the pump, it has good air flow, than I installed a vacuum gauge in line with air valve.When activating the secondary air valve with Pwis the gauge cycles on off at 15psi.I tested m...
June 10, 2014