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P0400 Diagnostic Trouble Code Discussion for August 2011

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
2000 Mazda 626 LX 2.0L Excessive Emissions VIN: 1YVGF22C2Y
P0400: EGR System Flow Malfunction. ... with DTC'S PO400 and P1410 and its back. When the EGR Valve was replaced the passages were cleaned, also checked the power and ground cicruits to the soleniod valve, they were good and the soleniod valve will operate. Any help from the MAZDA gurus would be...
August 09, 2011
2000 Mazda 626 LX 2.0L Excessive Emissions VIN: 1YVGF22C2Y
P0400: EGR System Flow Malfunction. ... with DTC'S PO400 and P1410 and its back. When the EGR Valve was replaced the passages were cleaned, also checked the power and ground cicruits to the soleniod valve, they were good and the soleniod valve will operate. Any help from the MAZDA gurus would be...
August 10, 2011
2001 Mercedes-Benz ML430 4.3L Hesitation VIN: 4JGAB72X1A
P0400: EGR Malfunction. Hello group and thank you for your time, This vehicle will intermittently lose acceleration rate when WOT is being applied. Vehicle will accelerate up to 5k rpm with no problem then the yellow triangle begins to blink and rpm drops to 3k. Once it reaches 3k ac...
August 10, 2011
2001 Nissan Xterra SE 3.3L Excessive Emissions, MIL Lamp on VIN: 5N1ED28Y4Y
P0400: EGR System Recirculation Flow. hello i have this xterra with mil on and its time for plates at il i have all the monitors to ok except the H2o Engine rpm 1737 load value 52.1% map sensor 58kpa coolant temp 181*f short term f/t 1 -1.0% long term f/t 1 1.5% short term f/t 2 7.0% long term f/...
August 10, 2011
2000 Mazda 626 LX 2.0L Excessive Emissions VIN: 1YVGF22C2Y
P0400: EGR System Flow Malfunction. ... with DTC'S PO400 and P1410 and its back. When the EGR Valve was replaced the passages were cleaned, also checked the power and ground cicruits to the soleniod valve, they were good and the soleniod valve will operate. Any help from the MAZDA gurus would be...
August 09, 2011
2000 Mazda 626 LX 2.0L Excessive Emissions VIN: 1YVGF22C2Y
P0400: EGR System Flow Malfunction. ... with DTC'S PO400 and P1410 and its back. When the EGR Valve was replaced the passages were cleaned, also checked the power and ground cicruits to the soleniod valve, they were good and the soleniod valve will operate. Any help from the MAZDA gurus would be...
August 10, 2011
2001 Mercedes-Benz ML430 4.3L Hesitation VIN: 4JGAB72X1A
P0400: EGR Malfunction. Hello group and thank you for your time, This vehicle will intermittently lose acceleration rate when WOT is being applied. Vehicle will accelerate up to 5k rpm with no problem then the yellow triangle begins to blink and rpm drops to 3k. Once it reaches 3k ac...
August 10, 2011
2001 Nissan Xterra SE 3.3L Excessive Emissions, MIL Lamp on VIN: 5N1ED28Y4Y
P0400: EGR System Recirculation Flow. hello i have this xterra with mil on and its time for plates at il i have all the monitors to ok except the H2o Engine rpm 1737 load value 52.1% map sensor 58kpa coolant temp 181*f short term f/t 1 -1.0% long term f/t 1 1.5% short term f/t 2 7.0% long term f/...
August 10, 2011