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P0400 Diagnostic Trouble Code Discussion for February 2012

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1999 Nissan Altima GLE 2.4L Hesitation, Misfire, Egr opens all the wa VIN: 1N4DL01D3X
P0400: EGR System Recirculation Flow. As stated this has a new egr valve, new bpegr and the intake was cleaned out. What is happening is instead of the 2 to 4 inches of vacume coming to the egr valve i am getting full vacume of 18 inches right on acceleration and when ever the solonoid turns on. I...
February 09, 2012
1999 Nissan Altima GLE 2.4L Hesitation, Misfire, Egr opens all the wa VIN: 1N4DL01D3X
P0400: EGR System Recirculation Flow. As stated this has a new egr valve, new bpegr and the intake was cleaned out. What is happening is instead of the 2 to 4 inches of vacume coming to the egr valve i am getting full vacume of 18 inches right on acceleration and when ever the solonoid turns on. I...
February 09, 2012