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P0400 Diagnostic Trouble Code Discussion for May 2010

Exhaust Gas Recirculation System Flow Malfunction


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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1999 Nissan Maxima GXE 3.0L MIL Lamp on VIN: JN1CA21D5X
P0400: EGR System Recirculation Flow. Good Morning all. This Max. has had this on going problem for several years now and customer finally decided to get it repaired. I am hoping one of you Nissan specialist has this thing by the horns. I have tried everything to my ability just short of replacing...
May 19, 2010
1999 Subaru Legacy Limited 30th Anniversary 2.5L Misfire, MIL Lamp on, Backfire on startup VIN: 4S3BG6853X
P0400: Insufficient EGR System Flow Detected. My dillema. Sometimes when I try to start car it sounds as if a plug wire was on wrong cylinder. Engine spins but will pop back against starter bendix? Turn key off and try to start again and starts perfect. Also engine vibrates just slightly abnormaly , does...
May 26, 2010
1999 Subaru Legacy Limited 30th Anniversary 2.5L Misfire, MIL Lamp on, Backfire on startup VIN: 4S3BG6853X
P0400: Insufficient EGR System Flow Detected. My dillema. Sometimes when I try to start car it sounds as if a plug wire was on wrong cylinder. Engine spins but will pop back against starter bendix? Turn key off and try to start again and starts perfect. Also engine vibrates just slightly abnormaly , does...
May 27, 2010
1999 Nissan Maxima GXE 3.0L MIL Lamp on VIN: JN1CA21D5X
P0400: EGR System Recirculation Flow. Good Morning all. This Max. has had this on going problem for several years now and customer finally decided to get it repaired. I am hoping one of you Nissan specialist has this thing by the horns. I have tried everything to my ability just short of replacing...
May 19, 2010
1999 Subaru Legacy Limited 30th Anniversary 2.5L Misfire, MIL Lamp on, Backfire on startup VIN: 4S3BG6853X
P0400: Insufficient EGR System Flow Detected. My dillema. Sometimes when I try to start car it sounds as if a plug wire was on wrong cylinder. Engine spins but will pop back against starter bendix? Turn key off and try to start again and starts perfect. Also engine vibrates just slightly abnormaly , does...
May 26, 2010
1999 Subaru Legacy Limited 30th Anniversary 2.5L Misfire, MIL Lamp on, Backfire on startup VIN: 4S3BG6853X
P0400: Insufficient EGR System Flow Detected. My dillema. Sometimes when I try to start car it sounds as if a plug wire was on wrong cylinder. Engine spins but will pop back against starter bendix? Turn key off and try to start again and starts perfect. Also engine vibrates just slightly abnormaly , does...
May 27, 2010