Smokes when I start it after sitting. - Dodge Challenger Forum: Challenger & SRT8 Forums

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post #1 of 25 (permalink) Old 07-06-2011, 05:36 PM Thread Starter
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Smokes when I start it after sitting.

My 09 6 speed 6.1 smokes when I start it after sitting for a few days. I know this should mean valve seals. But surely not! It has 8500 miles on it and a oil catch can. I have the dealer change the oil for warranty issues it is totally stock. Anyone have any idea were to look first?
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post #2 of 25 (permalink) Old 07-06-2011, 05:57 PM
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Since I don't know your experience level I will ask - are you sure it is oil smoke and not moisture (steam)? Oil smoke is "blueish" and does not dissipate quickly.

I have noticed a little oil smoke from mine on startup but not routinely and it is just for an instant. I have not seen it recently so maybe the break in or catch can fixed it.

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post #3 of 25 (permalink) Old 07-06-2011, 06:00 PM
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I know it's time consuming but if you pull all 16 plugs it should show if oil is getting into a cylinder.


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post #4 of 25 (permalink) Old 07-06-2011, 06:08 PM
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Originally Posted by rtcoronet440 View Post
My 09 6 speed 6.1 smokes when I start it after sitting for a few days. I know this should mean valve seals. But surely not! It has 8500 miles on it and a oil catch can. I have the dealer change the oil for warranty issues it is totally stock. Anyone have any idea were to look first?
My '10 6.1 6 speed did the same thing one single time at about 8100 miles. The one time it did it there seemed to be quite a bit of oil smoke on an initial start up after sitting for about 3 days, but has not done it since. I also have an oil catch can which has been installed since it had only 200 miles on it. Can't explain it, as it was a one time thing only. If yours is doing it consistently, and it is indeed oil derived smoke on initial start up, in all likelihood it is either a valve seal/guide problem, or for some reason you have a lot of oil sitting in your intake manifold. I am assuming you have emptied the catch can fairly regularly?
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post #5 of 25 (permalink) Old 07-06-2011, 07:04 PM
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Pretty well known Hemi stuff. As long as you're just speaking of a little puff of blue.

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post #6 of 25 (permalink) Old 07-06-2011, 07:20 PM
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Normal, even more so on the 6.1L. They just have a crappy PCV system that let's more than oil vapors into the intake manifold than other engines.

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post #7 of 25 (permalink) Old 07-06-2011, 07:20 PM
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On my 3rd 6.1(1 Charger/2 Challengers). All 3 have done it afer sitting a few days. All 3 have had catch cans. Not at all unusual.


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post #8 of 25 (permalink) Old 07-06-2011, 07:50 PM
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As long as the dip stick is not reading a lower oil level its probably what the others have said...Possibly just moisture...
If your oil levels are constant I would not worry...

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post #9 of 25 (permalink) Old 07-06-2011, 07:50 PM Thread Starter
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Yes, it is for sure oil smoke. I just emptied my catch can and it only had 1/4" of oil in it. The motor has done it 2 times now within 2 weeks so I was starting to get worried. Well I will just keep an eye on it and maybe pull the plugs to look at them also.I checked the oil level a few hours after the oil change today and it it a bit full like 1/2" over the safe mark. Maybe I need to dump some!

My 5.7 in my truck has done this lalso now that i stop and think about it, it has only done it about 4 or 5 times in 41000 miles.
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post #10 of 25 (permalink) Old 07-07-2011, 08:57 AM
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Time for a catch-can. It's some oil accumulation in the intake. This usually happens when you start and stop the car right away, like moving it in the driveway. The catch-can was originally designed exactly for this purpose, plus it keeps your TB nice and clean. Some cars need it more than others. Before I started modding the catch can would always be almost empty, some members weren't so lucky.


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