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P0400 Diagnostic Trouble Code Discussion for September 2008

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
2000 Mazda 626 ES 2.5L MIL Lamp on VIN: 1YVGF22D8Y
P0400: EGR System Flow Malfunction. Repeat P0400 EGR flow failure. Originally replaced valve and gasket. As always checks passages for blockage. Good vacuum and great exhaust flow while running with valve off. Have tested and confirmed egr operation while driving. Any help would be good. thank...
September 09, 2008
1997 Infiniti J30 3.0L Stall, MIL Lamp on VIN: JNKAY21D8V
P0400: EGR System Recirculation Flow. Hey guys I have this Infinity that has the codes lised above and an intermittant stall at idle. Always starts right back up but you have to put your foot on the gas to keep it running for a few seconds then it will be ok. Im going to check to Iac valve but wan...
September 18, 2008
2000 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC5L54Y
P0400: Exhaust Gas Recirculation System Flow Malfunction. has no vacuum to egr valve, can ground solenoid and vacuum goes up to 10 inches, mdp kp 69.4, spec around 25 kp, when driving vehicle pcm is commanding solenoid, checked all vacuum lines and they are routed correctly, it should be applying vacuum but why not, ...
September 29, 2008
2000 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC5L54Y
P0400: Exhaust Gas Recirculation System Flow Malfunction. has no vacuum to egr valve, can ground solenoid and vacuum goes up to 10 inches, mdp kp 69.4, spec around 25 kp, when driving vehicle pcm is commanding solenoid, checked all vacuum lines and they are routed correctly, it should be applying vacuum but why not, ...
September 30, 2008
2000 Mazda 626 ES 2.5L MIL Lamp on VIN: 1YVGF22D8Y
P0400: EGR System Flow Malfunction. Repeat P0400 EGR flow failure. Originally replaced valve and gasket. As always checks passages for blockage. Good vacuum and great exhaust flow while running with valve off. Have tested and confirmed egr operation while driving. Any help would be good. thank...
September 09, 2008
1997 Infiniti J30 3.0L Stall, MIL Lamp on VIN: JNKAY21D8V
P0400: EGR System Recirculation Flow. Hey guys I have this Infinity that has the codes lised above and an intermittant stall at idle. Always starts right back up but you have to put your foot on the gas to keep it running for a few seconds then it will be ok. Im going to check to Iac valve but wan...
September 18, 2008
2000 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC5L54Y
P0400: Exhaust Gas Recirculation System Flow Malfunction. has no vacuum to egr valve, can ground solenoid and vacuum goes up to 10 inches, mdp kp 69.4, spec around 25 kp, when driving vehicle pcm is commanding solenoid, checked all vacuum lines and they are routed correctly, it should be applying vacuum but why not, ...
September 29, 2008
2000 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC5L54Y
P0400: Exhaust Gas Recirculation System Flow Malfunction. has no vacuum to egr valve, can ground solenoid and vacuum goes up to 10 inches, mdp kp 69.4, spec around 25 kp, when driving vehicle pcm is commanding solenoid, checked all vacuum lines and they are routed correctly, it should be applying vacuum but why not, ...
September 30, 2008