
P4920 Diagnostic Trouble Code Discussion for August 2019
Secondary - Air System Bank 2 Below Limit Value
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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 |