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P1421 Diagnostic Trouble Code Discussion for September 2006

Cold Start Emission Reduction Strategy Monitoring


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Trouble Ticket Help Requests for DTC P1421
Help Request Posted
2000 Volkswagen Cabrio GLS 2.0L MIL Lamp on VIN: 3VWDC21V7Y
P1421: secondary air injection valve circut. Believe problem in power supply to fuel injection system. Has anyone had a particular place to look? Customer has no complaint to runability problem, just check engine light coming on.
September 15, 2006
2000 Volkswagen Cabrio GLS 2.0L MIL Lamp on VIN: 3VWDC21V7Y
P1421: secondary air injection valve circut. Believe problem in power supply to fuel injection system. Has anyone had a particular place to look? Customer has no complaint to runability problem, just check engine light coming on.
September 15, 2006