Hey - can anyone help me? I had a code pulled P0406 and was told to replace the EGR Valve on my truck.... 2004 Dodge Ram Hemi

I did - it is running MUCH smoother....

BUT NOW the check engine light came right back on on with code P0405??? (Exhaust Gas Recirculation Sensor A Circuit Low)

Does anyone know what is needed to get this truck fixed so the light will stop coming on???

I appreciate any help you can give me!

Thanks,

Dave

 

Did you reset the computer?

 

No - - - Do you know how I can do that?

I used my code reader and deleted out the old code (P0406)

 

This should help. Also, check and make sure the plug on top of the EGR is on tight.

 

 

You Rock!

That fixed it. I took it for a drive and the check engine light did not come back on... (it was the fuse above the one in your diagram - but totally appreciate your help!)

Thank You Very Much!!!

-Dave

 

Does it work for 2007' one?

 

I was having the same issue as ramsnarf after replacing my egr. Yes i did a cleaning but to no avail. Thanks to JoeHemi's idea on the reset, I have been CEL free for a day now. pcm fuse was #23 on the lid diagram

 

I tried what you put on here for my 08 hemi 1500 ram and it didn't work. Can you help me out as well?

 

I have a 2007 Chrysler Aspen 5.7 Hemi, I had a code P0406 and was told to replace the EGR Valve on it which I did, now the check engine light is back on on with code P0405 (Exhaust Gas Recirculation Sensor A Circuit Low). I was reading through this post but I don't see a PCM fuse on my Aspen available to reset the PCM. I've reset the code numerous times with a code reader to no avail, it keeps coming back, the last thing I did was removed the + and - battery cables and tied them together for 30 minutes to discharge all the electronic charge in the electrical component capacitors and such. I've heard this some times works. Has anyone seen this issue on an Aspen or similar and if so how was it resolved?