Smell

OK, so I drove the car pretty hard as an experiment with high and low speed accelerations and steady 90ish mph... no smell in the cabin.  When I got home I garaged it and shut the door.... and outside the car I smelled it... kinda like a freshly paved road.  It wasn't strong, but definitely there.
 
BiGMaC said:
OK, so I drove the car pretty hard as an experiment with high and low speed accelerations and steady 90ish mph... no smell in the cabin.  When I got home I garaged it and shut the door.... and outside the car I smelled it... kinda like a freshly paved road.  It wasn't strong, but definitely there.

Could that just be deposits being burned off the cats? Most cars get that after a spirited driving session if they haven't been driven really hard lately.

 
BiGMaC said:
OK, so I drove the car pretty hard as an experiment with high and low speed accelerations and steady 90ish mph... no smell in the cabin.  When I got home I garaged it and shut the door.... and outside the car I smelled it... kinda like a freshly paved road.  It wasn't strong, but definitely there.
Not every vehicle gets the issue but a large number do. Also for me if i'm running with the air off i never get a smell. But if i have the air on it gets in the cabin. It's the worse with ac on and recirc on at the same time.
Personally it's not a big deal because i don't go WOT over 70mph too often so i rarely have the issue anyway.
For others though it seems they get a much stronger ratio of exhaust vs fresh air. Some have reported headaches and so fourth. I guess i'm lucky mine is there but not too terrible.
 
I did sift through a rather lengthy thread on an Explorer forum about this issue. Seems pretty common on their end.
I see the TSB for this was issued for the Flex, though? Ford describes it in their TSB verbiage as a sulfur smell.
This is pretty weird.
It hasn't happened to me in several days. But, like already mentioned, I don't accelerate heavily beyond 70 MPH too often.

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Just an update.

I've run it pretty hard a number of times since I started this post and had no smell as a result, however, recently it has been happening a few times under normal driving. Today, and during a thirty minute drive, my eye's started to burn. It was at that time that I faintly noticed that smell again. Had to drop a window.... Can you imagine how sweet fresh air is after you've been slowly subjected to those noxious gasses?? It now appears that instead of getting a huge blast of those gasses, I am now being slow roasted.

Anyway, looks like I'm headed back to the dealer for a second time.
 
Fascinating. Looking forward to what your dealer comes up with.

I haven't driven mine in a week, so I haven't really been able to test it. Hoping that crap doesn't start seeping in randomly like that! That's horrendous. 

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Good luck... Hopefully the dealer can get it fixed quickly for you! ...

Hopefully it will do the thing for them.... My luck is Not good in that category... Seems I can't ever duplcate problems for the mechanics.
 
Interesting. I didn't notice how many people who had the smell were tuned or not tuned.
I have about 4500 miles on my 2014 and installed the tune in the car Saturday.
I did a number of WOT runs from a standing start and from about 45-50 mph, all within about 2 miles. I  found out what "spark blowout is all about, miss/stutter...sucks.
All of a sudden while driving 45mph I get this stink, kind of like being behind a car with bad cats like you would smell from some cars back in the 1980s. Rotten egg/sulfur smell. It lasted about 30 seconds
So who have a smell with no tune and who gets the smell with a tune?
 
Did you get the cold weather CW tune?  I wonder if you are running a little rich. 
 
Dave,
  I fired off an email to Anthony Saturday evening and he called me today.
I went over the symptoms, stutter from about 4000-4500 rpms, forgot to mention the smell, and he mentions getting the SP 534 plugs, I forgot to ask him what to gap them at, or he said to double check the gap on the stock plugs. Then he said, now I might not get this quite right so remember these may not exactly be his words, that Ford changed their electronics (ecm?) and LMS is still uncovering little things, and as fixes come out  they will let us know.
Again, Im not saying what I just typed is gospel, I did a LOT of drugs back in the 70s :-)
Anyway, he told me he would send me the cold weather tune but it might be after New Years as the guy who writes the tunes is off until then. All fine and good, youre only talking 2 days, and I want to flash it back to stock to take it in and have the oil changed.
Im not changing oil when its -5 or more below zero
 
I think they gap at 30.  Some guys have done 28.  Yeah, they got the 10-12s good.  The 13-14 was a whole new ball game.
 
65460 said:
Dave,
  I fired off an email to Anthony Saturday evening and he called me today.
I went over the symptoms, stutter from about 4000-4500 rpms, forgot to mention the smell, and he mentions getting the SP 534 plugs, I forgot to ask him what to gap them at, or he said to double check the gap on the stock plugs. Then he said, now I might not get this quite right so remember these may not exactly be his words, that Ford changed their electronics (ecm?) and LMS is still uncovering little things, and as fixes come out  they will let us know.
Again, Im not saying what I just typed is gospel, I did a LOT of drugs back in the 70s :-)
Anyway, he told me he would send me the cold weather tune but it might be after New Years as the guy who writes the tunes is off until then. All fine and good, youre only talking 2 days, and I want to flash it back to stock to take it in and have the oil changed.
Im not changing oil when its -5 or more below zero

Likely it's the brand LMS favors.. but, most important a heat range cooler than stock.  Important for performance and preventing detonation when the tune advances your timing.
 
B-Mac, I agree. It doesn't matter whos plugs you use (that's a whole other debate) I think the Sp534 is a Motorcraft plug, but its the fact that you drop it to a colder plug and correctly gap them
 
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