P0400 Diagnostic Trouble Code Discussion for August 2004
Exhaust Gas Recirculation System Flow Malfunction
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| Help Request | Posted | |
| 1998 Chevrolet Tracker 1.6L MIL Lamp on VIN: 2CNBJ136XW P0400: egr flow. Need some help if someone has seen this before i have had this and another with the same problem .all the egr selonoid pres transducer and valve are working i can make the egr work on the lift .the map voltage changes when the egr is applied . i can apply 3 in... |
August 10, 2004 | |
| 1997 Kia Sportage 2.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: KNDJB7236V P0400: Insufficient EGR System Flow Detected. Number 4 spark plug had a carbon track, replaed plugs, coils and wires with Kia parts. That fixed PO304 code. Egr valve would not hold vacuum, replaced it with a Kia part. Then I had a rough idle, EGR driver in PCM is not pulling control circuit down so EGR v... |
August 19, 2004 | |
| 2000 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31D8Y P0400: EGR System Recirculation Flow. Replaced egr valve passage looked clear but code came back after driving. |
August 24, 2004 |
