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Short video showing how to fix the common EGR failure on the 5.7L Hemi pick-ups. This is on a 2008 Dodge Ram 1500 Hemi. I know we skipped a lot of steps in this video of the diagnosis procedure, but to be perfectly honest every one of these we have encountered with these codes has always been traced back to the EGR valve.

21 thoughts on “Codes p0403 and p0406 – replace the egr valve – dodge ram”
  1. Avataaar/Circle Created with python_avatars MonroeHandyMan says:

    Is that the EGR valve? On my Mustang, that looks exactly like the IAC Idle Air Control Valve

  2. Avataaar/Circle Created with python_avatars 313stratus says:

    My 05 durango has this code but it doesn have a egr valve

  3. Avataaar/Circle Created with python_avatars Hugo Hernandez says:

    It's hard for me to find videos of a ram from 2005 2007 4.7 L ,there are many of ram with HEMI from 20011 and 20015 but not 2005 or 2006

  4. Avataaar/Circle Created with python_avatars Jonathan Phillips says:

    Code came back after on again installing a new egr. What should I do?

  5. Avataaar/Circle Created with python_avatars ramcnei0611 says:

    This video helped me fix two codes (P0406 and P1516) that both popped up AND an issue I didn't think was related to the EGR valve that had been occurring for a while now. I spent about a month trying to troubleshoot my engine's RPM dropping down to 1,000 and then going back up to 1,200 – 1,500 RPM while going to at a constant rate of speed between 20-25 MPH. Before the truck finally threw the two mentioned codes, I had already replaced the camshaft and crankshaft sensors, cleaned the throttle body and the air temp sensor. Once I replaced the EGR valve, the Hemi ran nice and smooth again. Haven't had any issues for the last 4 weeks. Thanks for the informative video amigo!

  6. Avataaar/Circle Created with python_avatars Dmack Miller says:

    I have replaced the EGR valve four times and the same circuit codes continue to pop up. Can you go a little further and explain the the circuit can continue to fail? This problem has been ongoing for years. It seems almost as if there is a condition in the wires that continue to fail…

  7. Avataaar/Circle Created with python_avatars Xander says:

    Doesn't EGR reduce gas mileage? Isn't it better to leave it off unless you need to pass inspection?

  8. Avataaar/Circle Created with python_avatars Sumting Wong says:

    I was having trouble with check engine soon. I recently started watching your videos. Because of your trouble shooting technic I was able to find my problem. It was corroded wires in the wire harness I had to take it apart and repair it. I had several techs look at this they were stumped. Could not clear code.

  9. Avataaar/Circle Created with python_avatars Al I. says:

    im having a rough time getting the 10mm bolts. 8mm came off no problem. how the hell do you get those damn 10mm off

  10. Avataaar/Circle Created with python_avatars griff Hall says:

    fastest repair in the land !!
    i have a 1999 durango 5.2L and the egr valve i swear is hiding like a little mouse, but after watching a couple vidoes and forums, i found that lil @#$%er…great vid E.O

  11. Avataaar/Circle Created with python_avatars erg0centric says:

    Just got a P1404 on my Ram 1500, sadly its a 2012 4.7l so its on the back of the engine and I have to almost drop the engine to clean it.
    Edit: it is intermittent, so most likely a bad connetion

  12. Avataaar/Circle Created with python_avatars Phillip Williams says:

    This is probably a dumb question but I need to replace the egr valve on my 2005 Dodge Ram 1500 4.7 I assume it's basically the same concept as the 06 hemi ?

  13. Avataaar/Circle Created with python_avatars Cobra Ninety Six says:

    Had P0406 on my 3.8 Grand Caravan….., all the wiring looked good. Changed the EGR valve, same type with the stepper motor. Not really sure if this one can be bench tested off the car. So I changed it with a Standard motor products replacement and it took care of the issue for over 10 thousand miles. Took a trip to the FLA keys last week from NY (highly recommended vacation spot) and about 20 hours into my trip as I entered the warmer climate the vehicle now threw a p0404. Based upon my research, these valves have a heat related problem with the internal circuit board. Unfortunately I dont have a Bi directional scan tool (Yet). Is there anyway that you know of that these valves can be tested off the vehicle? Its not the first dud that I have gotten with this kind of valve, but I would like to try and test it. Any input is greatly appreciated! Great videos and great channel!
    Thanks Eric

  14. Avataaar/Circle Created with python_avatars Jeffrey Battousai Strader says:

    The first thing I did after I purchased my wife her 2007 Dodge Ram Hemi, was to purchased a Diablo Tuner which also doubles as a Scan Tool. The first thing I learned about Dodge's was that just because a certain code appeared, didn't necessarily mean it was what was actually wrong.

  15. Avataaar/Circle Created with python_avatars Jeffrey Battousai Strader says:

    Takes a grand total of 15 minutes to replace the EGR valve on a 5.7 Hemi.

  16. Avataaar/Circle Created with python_avatars Richard Gill says:

    Would like to comment on making more videos with failed Emissions, codes, and incomplete monitors.
    Thanks Eric O.

  17. Avataaar/Circle Created with python_avatars Geo Jor says:

    is it the EGR valve that makes the throttle valve sooty? or is it the PCV valve or both? thanks…

  18. Avataaar/Circle Created with python_avatars Geo Jor says:

    good stuff, thanks…

  19. Avataaar/Circle Created with python_avatars Rakatawhat says:

    Dear Santa,
    that snap-on scan tool would look nice under my x-mas tree. 🙂

  20. Avataaar/Circle Created with python_avatars DJDevon3 says:

    Old vacuum EGR's you can just push on the diaphragm to check the operation.  Now you need a bi-directional scan tool. 🙁

  21. Avataaar/Circle Created with python_avatars hector alvarrz says:

    Great video !!

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