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P0400 Diagnostic Trouble Code Discussion for September 2006

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1999 Suzuki Esteem GL 1.6L MIL Lamp on VIN: JS2GB31S6X
P0400: EGR System Fault Too Much Or Too EGR Little Flow). ... help me out. Vehicle initially came in with code P0400. Testing electrical to EGR valve came out OK and led to replacement of the EGR valve. While the valve was off, I also checked for exhaust coming up through the tube and feed hole. Seemed OK. Same code ...
September 21, 2006