2007 Dodge Ram 2500 with the 6.7 L diesel, I have had this in for this problem two times and each time they tell me they can't get it to do it for them. Called the Dodge service rep today, and he spoke with the dealership and they had their service manager to take a ride with me and he smelled it also. I'am to take it in for them to go throught it again Oct. 9th when they can keep it for several days to try and figure it out, It seems to happen after starting it up when it has sit for awhile, then driving at highway speeds for about 6 miles or so, then getting off the highway, and stopping at several stop lights or signs. And the it clears out as you get driving again. He said they hadn't heard of this problem before but I see here others have.
Check for a cracked fuel suply line, crack may expan with heat and leak fuel also check for a leaking transfer pump and filter seals
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My 2007.5 Dodge Ram 6.7 l diesel has that problem since it was new. Been in and out of the Dodge service center many times and they gave me a copy of the manual which states; use the recirculation mode on the heat system. As I had explained to the Service Tech, I was had the defrost system with temps down to -14 on a hunting trip to MT. I explained all the details of the problem, as we have many times and even though this is my 3rd Dodge Cummins truck since 1990, I was treated like I had no idea of what I was talking about. I'm now looking for help from non-Dealer experts, as I have had it with these factory Service Tech. I have been getting the run-around since late 2007 from Dodge. I have been assigned a claim number - but I need information from others with this same problem. My diesel smell head-ache is now a big head-ache and I'm ready to take on these Dodge Ram people. I finished with rolling the windows down in the middle of winter to clear out the diesel smell.
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