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P0400 Diagnostic Trouble Code Discussion for February 2006

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1996 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5T
P0400: EGR System Recirculation Flow. hello group, has the above codes stored in pcm, when checking power to egr solenoid i only have 2.5vdc should be 12vdc koeo, when i unplugg the absolute pressure sensor the voltage goes to 12vdc, ohmed sensors both reading 35 ohms ok, started tracing wiring to...
February 16, 2006
1995 Volvo 850 T-5R 2.3L Stall VIN: YV1LS571XS
P0400: no egr operation. hi guys this ones driving me crazy ,its so intermittent that I cant duplicate it ,what I did find is that if I unplug the iac valve it does not stall at all.it always stall at idle when you come to a stop, it also surges a little at cruise as well, thanks mike...
February 20, 2006
1996 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5T
P0400: EGR System Recirculation Flow. hello group, has the above codes stored in pcm, when checking power to egr solenoid i only have 2.5vdc should be 12vdc koeo, when i unplugg the absolute pressure sensor the voltage goes to 12vdc, ohmed sensors both reading 35 ohms ok, started tracing wiring to...
February 16, 2006
1995 Volvo 850 T-5R 2.3L Stall VIN: YV1LS571XS
P0400: no egr operation. hi guys this ones driving me crazy ,its so intermittent that I cant duplicate it ,what I did find is that if I unplug the iac valve it does not stall at all.it always stall at idle when you come to a stop, it also surges a little at cruise as well, thanks mike...
February 20, 2006