A couple weeks ago my MIL came on and I had a P0401 code.

I brought it to the dealer to be fixed. They replaced the EGR valve. On the way home from the dealer, the MIL came back on, same code P0401.

The CRD goes back to the dealer for a 2nd time. They install another EGR valve and may have replaced the hoses (the checkout girl had not gotten the paper work done yet). On the way home, the MIL came back on again, P0401 code.

The CRD is back for the 3rd visit at the dealer.

They said the hoses had a lot of deposits in them and wondered if i use home heating fuel or kerosene. I do not. I told them to test the fuel and check. I think they did, because they said they looked at the fuel and it was fine.

What can I tell these people to help them fix my vehicle?

I have 32,000 miles on it so far, and everything has been covered under warranty. So the upside is the work has all been free. But I would like to have it back and in working order. If one EGR lasted 32,000 miles, the others should last more than 1 day.

Were you running ORM?

_________________
2005 CRD Sport
Mods: Glasspack, OME HD Struts & Springs, 2" Daystar lift,
255/70/16 General Grabber AT2's on MOAB's
ORM&EHM with great success!
TJM T17 Bumper, 50W KC HID's

Have them check the FCV valve - the butterfly valve on the intake manifold. From what I remember back when we had the initial rash of EGR replacements, one or more of the EGR fault codes would be thrown by either a bad EGR valve OR a bad FCV valve. Sounds like that's the case if the code immediately comes back.

_________________
Mitchell Oates
'87 MB 300D Diamond Blue Metallic
'87 MB 300D - R.I.P. 12/08
'05 Sport CRD Stone White
Provent CCV Filter/AT2525 Muffler
Stanadyne 30 u/Cat 2 u Fuel Filters
Fumoto Drain/Fleetguard LF3487 Oil filter
V6 Airbox/Amsoil EAA Air Filter
Suncoast TC/Shift Kit/Aux Cooler
Kennedy Lift Pump/Return Fuel Cooler

At 22,000 the stealership replaced my AFC control valve.
(It is the easiest to get to). Drove it a bit and still was throwing the
code. Than they replaced the EGR valve.
I brought it home, hooked back up my EHM and installed
my SEGR kit. I now have 27,000 miles and they can shove the rest of my warranty
All that soot, my friend don't belong being blowed back
thru our tractors.
Thats my story.
Steve

_________________
06 Silver Liberty
EHM/SEGR
Fumoto Oil Drain
No rock climbing
No mudding
Hangs behind my
motorhome on tow bars. Semi-retired and still learning.

I just threw the code......I checked upstream first and found that my airfilter was pretty clogged. I replaced that and had the code cleared via my friendly neighborhood oil change place.

Been over a month and haven't thrown the code since. Don't know if I'm just lucky, just delaying the inevitable, etc...will let you know.

WWV
06 Silver Sport.....No Mods.
35k miles.

Got the CRD back this morning, and it seems fixed but only time will tell. No more MIL.

The dealer had no idea what the problem was and had to call a place in Vermont for advice. STAR was no help.

They fixed the problem by replacing the Flow Control Valve (as mentioned in an earlier post).

Here is the print out:

Customer states check engine light on. Performed testing found same codes for EGR.
Replaced EGR and Tube again retested. Found Control Valve Causing EGR failure.
Replaced Control Flow Valve.

Parts
5170787-AB Pipe EGR 14089004
5170765-AA Pipe EGR 14089002
5066386-AA Coolant C 1081004
68031593-AA Sensor AI 8037155
5142799-AA Valve Ele 14033001