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P0400 Diagnostic Trouble Code Discussion for November 2010

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Chevrolet Camaro Z28 5.7L MIL Lamp on VIN: 2G1FP22PXV
P0400: EGR System Performance. Hi techs, i keep getting p0400 egr system.if i put vacuum to the egr the diaphram move but when the engine is running it is like the diaphragm have a leak.i check the the solenoid and vacuum line,ok.i even use bicontrol on the scanner with my vacuum gauge and ...
November 16, 2010
1997 Nissan Pickup 2.4L MIL Lamp on VIN: 1N6SD11S9V
P0400: EGR System Recirculation Flow. Vehicle keeps setting po400 code. I have replaced back pressure transducer and egr control solenoid. I have also cleaned ports as well
November 16, 2010