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P0400 Diagnostic Trouble Code Discussion for May 2015

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Nissan Pickup 2.4L MIL Lamp on VIN: 1N6SD11S5V
P0400: EGR System Recirculation Flow. A What is a swirl valve? because know parts person knows when I call for a price. B Where is the swirl valve located on this truck. There are several that all look a like. I have tried google and using the diagram on the hood. If I had to guess it is the one o...
May 05, 2015
1997 Nissan Pickup 2.4L MIL Lamp on VIN: 1N6SD11S5V
P0400: EGR System Recirculation Flow. A What is a swirl valve? because know parts person knows when I call for a price. B Where is the swirl valve located on this truck. There are several that all look a like. I have tried google and using the diagram on the hood. If I had to guess it is the one o...
May 07, 2015
1997 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D7V
P0400: EGR System Recirculation Flow. The first time we found the passage in the intake clogged behind the IAC. Cleaned it out and noticed a significant r.p.m. drop. Second time the EGR solenoid would intermittently malfunction, although it worked perfectly the first time. This time we find nothin...
May 28, 2015