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Code P0406

5.8K views 8 replies 4 participants last post by  Don Fox  
#1 ·
2007 Durango SLT, about 145k miles, 4.7 flex fuel motor. Recently noticed it seems to be down a bit on power, threw a MIL last night. Got a code P0406 and a quick google suggests a new EGR might be in order. Part is cheap, but I'm having trouble narrowing down exactly where it is located and the R&R procedure. I'm sure someone else has done this on their D, got any tips?

Thanks.
 
#2 ·
Found this for a similar vintage RAM 4.7l. I did mine but it is the 5.7 so it's not close to this stated location, but if the part is similar to mine, it was actually a pretty easy swap.

The electronic EGR valve and solenoid assembly (4) is attached to the rear of the left cylinder head. An exhaust gas routing tube (3) connects the EGR valve to the intake manifold.

Use a diagnostic scan tool to record any DTC's (Diagnostic Trouble Codes).
Disconnect and isolate the negative battery cable.

Remove electrical connector (5) at top of EGR valve solenoid.Remove tube mounting bolt (1) at intake manifold.

Remove two bolts (4) connecting EGR tube (1) to valve assembly.
Remove gasket located between EGR tube flange and EGR valve assembly.
Remove two EGR valve mounting bolts (5).
Separate valve assembly (3) from engine.
Remove and discard metal gasket located between cylinder head and valve assembly.
 
#7 ·
And like a bad penny the MIL comes back, oddly enough about 13 months later. Same code, I'll pick up the part today and get it done before the weather turns to winter.

Any recommendations on part brand? I replaced the TPS a couple years ago with one from Advance, which I normally do not have issues with, and it failed and stranded me within a year. Considering the gymnastics I'll have to go through to change this, should I cough up for an OEM part or are the once from Advance, or Rock Auto ok?
 
#8 ·
I've been stung enough by the AutoBone cheap-o stuff enough to pay up for the OEM anymore, honestly. Favorite example... fuel pump on my old Taurus. Ended up swapping out the cheapsters three times before learning my lesson. Not the kind of job you want to do three times. For my E-350 this year, I went Motorcraft. Cost a pretty penny more but the peace of mind is worth it to me.