P0400 Diagnostic Trouble Code Discussion for March 2006
Exhaust Gas Recirculation System Flow Malfunction
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| Help Request | Posted | |
| 1997 Mazda Miata 1.8L MIL Lamp on VIN: JM1NA3531V P0400: EGR System Flow Malfunction. ... gray hair. Vehicle was in 2 months ago with P0400 stored, customer stated C.E.L. had been illuminated for almost a year. EGR vacuum solenoid not functional. Replaced vacuum and vent solenoid. Engine will stall with vacuum applied to EGR valve. DTC returned... |
March 09, 2006 | |
| 1996 Nissan Sentra 1.6L MIL Lamp on VIN: 1W4AB41DXT P0400: EGR System Recirculation Flow. I have already replaced the egr soleniod and all the vacuum hoses. The egr and back pressure transducer work. The problem is the ported vacuum to the sol. is weak. I have maybe 5 in. reving the engine. The hose is new the port is clean and open. What should po... |
March 16, 2006 | |
| 1995 Nissan Altima GLE 2.4L Excessive Emissions VIN: 1N4BU31D5S P0400: EGR system fault. Hi, This vehicle came in for MIL being on and failing smog check at a test only station. Failed HC, NOx, and functional for MIL being on. Repaired MIL by cleaning out clogged exhaust passages leading up to transducer. Pre-tested vehicle. Everything ok except i... |
March 24, 2006 | |
| 1999 Mazda 626 ES 2.5L MIL Lamp on VIN: 1YVGF22D8X P0400: EGR System Flow Malfunction. this car has been illuminating the mil intermittently. 1st time it was here i searched the forum archives and decided to clean the passeges and the egr. i removed the throttle body and the egr to clen and i saw no blockages. i sprayed it really good and did a ... |
March 30, 2006 |
