P0400 Diagnostic Trouble Code Discussion for January 2004
Exhaust Gas Recirculation System Flow Malfunction
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| Help Request | Posted | |
| 1997 Subaru Legacy 2.5L MIL Lamp on VIN: 4S3GB6854V P0400: Insufficient EGR System Flow Detected. ... EGR Flow Malfunction Cleaned all vacuum hoses & pipes to & from Back Pressure Transducer (BPT), EGR solenoid, EGR MAP sensor (on right apron)Checked EGR, EGR solenoid for operation & leaks, stumbles engine at idle, but doesn't stall. Passed. BP... |
January 26, 2004 | |
| 1999 Mercedes-Benz E300 3.0L MIL Lamp on VIN: WDBJF25H3X P0400: egr. ... a check engine 'MIL' light. Reading the codes has revealed mostly EGR code P0400. By tracing through the system, and noting its simplicity, I found the EGR, which sits in something MB calls "aluminum housing" for ... |
January 28, 2004 |
