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P0400 Diagnostic Trouble Code Discussion for October 2005

Exhaust Gas Recirculation System Flow Malfunction

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Trouble Ticket Help Requests for DTC P0400
Help Request Posted
1997 Mercury Villager GS 3.0L MIL Lamp on VIN: 4M2DV1111V
P0400: EGR System Recirculation Flow. Hello looking for some information on the egr system on this van What I did find is egr works egr bpt works but will not pass with flying colours with the test that is givin you can blow through it test states should not be able to but that is not where i am c...
October 19, 2005
2000 Chevrolet Tracker 1.6L MIL Lamp on VIN: 2CNBJ1860Y
P0400: egr flow error. Hello Gents,I've got this Tracker with a intermittent code that seems to only set when on long drive?My Customer had no time to let run more tests other than clear code.I was able to run a output test with Tech 2.When in output test the duty cycle would increa...
October 26, 2005
1998 Chevrolet Tracker 1.6L MIL Lamp on VIN: 2CNBE1862W
P0400: egr ststem flow malfuntion. ... my shop.The check engine light on,we got the code p0400. Then we replaced egr back pressure sensor.egr bypass valve.egr solenoid vacuum valve. After that we cleaned the trouble code. After 3 weeks the customer came back and the check engine light came back...
October 29, 2005