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P0400 Diagnostic Trouble Code Discussion for August 2005

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Suzuki Sidekick JX 1.6L MIL Lamp on VIN: 2S3TD03V06
P0400: EGR System Fault Too Much Or Too EGR Little Flow). ... vacume to the egr the encine dies so i know the egr valve is working and the ports are clear. if you apply vacume to the egr soelnoid,closed when grounded, and unplug it the engine dies. if you ground the system check soelnoid the engine dies, open when gr...
August 15, 2005