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P4920 Diagnostic Trouble Code Discussion for August 2019

Secondary - Air System Bank 2 Below Limit Value

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Trouble Ticket Help Requests for DTC P4920
Help Request Posted
2004 Porsche Boxster S 3.2L MIL on VIN: WP0CB29804
P4920: Secondary - Air System Bank 2 Below Limit Value. Customer concern: Check Engine light on. Pulled codes, P0492-02 Secondary Air System, Bank 2 Below Limit Value stored in ECM. Removed center and passenger side intake manifold pieces for access to air injection system. Found broken plastic vacuum line and ...
August 06, 2019