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2005 Dakota 4.7 low speed surge #1020943 06/26/11 09:06 PM 06/26/11 09:06 PM
Joined: Aug 2003 Posts: 2,058 Seed Corn Capital USA jlemon OP top fuel
jlemon OP top fuel Joined: Aug 2003 Posts: 2,058 Seed Corn Capital USA	Just started today. Hasn't thrown a code yet. Truck only does it below 30 mph. It'll surge then stumble like it has no power then surge again. Does this over and over. Above 30 it runs fine. It doesn't sound like the IAC valve is bad or needs cleaned, it idles fine. Maybe the TPS?

Re: 2005 Dakota 4.7 low speed surge [Re: jlemon] #1020944 06/29/11 02:13 AM 06/29/11 02:13 AM
Joined: Aug 2003 Posts: 2,058 Seed Corn Capital USA jlemon OP top fuel
jlemon OP top fuel Joined: Aug 2003 Posts: 2,058 Seed Corn Capital USA	Gave code P0406. Guess I'll change the EGR.

Re: 2005 Dakota 4.7 low speed surge [Re: jlemon] #1020945 06/29/11 10:32 AM 06/29/11 10:32 AM
Joined: Nov 2009 Posts: 2,177 ill D dennismopar73 top fuel
dennismopar73 top fuel D Joined: Nov 2009 Posts: 2,177 ill	while youre there,, clean the idle air control valve, and its socket it goes in, also clean the throttle body out and look at any cracked or broken vacume hose, pay piticular to the emmission lines running to the evap canister and any angle fitting with cracks etc , change them out, /replace hoses as needed

Re: 2005 Dakota 4.7 low speed surge [Re: dennismopar73] #1020946 06/29/11 12:21 PM 06/29/11 12:21 PM
Joined: Nov 2004 Posts: 2,825 Sk. Canada RemCharger master
RemCharger master Joined: Nov 2004 Posts: 2,825 Sk. Canada	I just replaced a coil yesterday on one of these. Came up with an injector fault code and a random misfire.

Re: 2005 Dakota 4.7 low speed surge [Re: dennismopar73] #1020947 06/29/11 03:27 PM 06/29/11 03:27 PM
Joined: Aug 2003 Posts: 2,058 Seed Corn Capital USA jlemon OP top fuel
jlemon OP top fuel Joined: Aug 2003 Posts: 2,058 Seed Corn Capital USA	Quote: while youre there,, clean the idle air control valve, and its socket it goes in, also clean the throttle body out and look at any cracked or broken vacume hose, pay piticular to the emmission lines running to the evap canister and any angle fitting with cracks etc , change them out, /replace hoses as needed Yeah everything I read said that would be a good idea. Thanks. Everything I also read said changing the EGR on a 2005 4.7 Dakota was a royal pain.

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