P0400 Diagnostic Trouble Code Discussion for November 2011
Exhaust Gas Recirculation System Flow Malfunction
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| Help Request | Posted | |
| 2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D31 P0400: EGR System Recirculation Flow. This car came in with a P0400 (EGR Insufficient Flow)I first looked for blockage and found none. I have ested the temperature sensor (this is what the ECM uses to determine the EGR flow) and it was working properly, the voltage drops well below 4.5V as it warm... |
November 02, 2011 |
