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Old 09-22-2012, 07:14 PM   #1
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White smoke coming out exhaust

I have a 2012 mustang v6 and i took it to an abandoned airstrip and made about 10 really hard passes and a couple donuts. Right after i had white smoke coming out my exhaust. I checked the temperature before I shut it off and it was normal. The smoke stopped after a few minutes of just sitting there, but I'm just wondering if I broke anything because this is my only car.
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Old 09-22-2012, 07:17 PM   #2
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Re: White smoke coming out exhaust

Did/does the exhaust smell sweet like coolant? Could have cracked a head or have a gasket that has a slow blow. Check the oil for coolant. Pull the plugs and see what they look and smell like.
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Old 09-22-2012, 07:24 PM   #3
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Re: White smoke coming out exhaust

im not exactly sure what coolant smells like. it didnt smell very sweet, it was more of a burn smell
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Old 09-22-2012, 07:31 PM   #4
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Re: White smoke coming out exhaust

might have just been some oil burning but that would have a bluish look to it. When your car cools open up the radiator cap and smell the coolant. Wait until it is completely cool otherwise it could burn you or spit out. It will smell the same as if it were being burned through the exhaust.
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Old 09-22-2012, 07:40 PM   #5
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Re: White smoke coming out exhaust

ok thanks, you don think i broke anything?
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Old 09-22-2012, 09:00 PM   #6
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Re: White smoke coming out exhaust

well.. no.... you said it stopped and I would jsut check the oil and see if you need to add any and look to make sure it is clean... but keep an eye on it over the next few weeks and see if the temps go up, loss of power, smoke, funny smell. You probably got some oil to blow past and it burned.
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Old 09-22-2012, 09:49 PM   #7
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Re: White smoke coming out exhaust

What pwrby4d is talking about is our pcv valve system, which keeps crankcase gasses from building up, has a tendency to allow oil to get sucked out of the valve cover and into the intake. This is especially true when you're pushing it hard.
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Old 09-23-2012, 10:48 AM   #8
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Re: White smoke coming out exhaust

ok. thanks for the help. i won't be going back to that airstrip anytime soon
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Old 09-23-2012, 06:44 PM   #9
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Re: White smoke coming out exhaust

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Originally Posted by Sanguin View Post
What pwrby4d is talking about is our pcv valve system, which keeps crankcase gasses from building up, has a tendency to allow oil to get sucked out of the valve cover and into the intake. This is especially true when you're pushing it hard.
So wouldn't an oil catch can help a lot with that issue? I know that AM sells some for our 3.7s.
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Old 09-24-2012, 12:17 PM   #10
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Re: White smoke coming out exhaust

Yeah it will help. I run one. They work great. You can make one too on the cheap with a few parts from HD or Lowes.

---------- Post added at 12:17 PM ---------- Previous post was at 12:13 PM ----------

500 miles on car. I recommend you do this ASAP if you haven't yet
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Old 12-16-2012, 08:27 PM   #11
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Don't wanna make a new thread but I haven't got on my car that bad I have an 02 GT and at idle I have white smoke coming out and smells like burning gas well like normal exhaust any ideas?
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Old 12-16-2012, 09:01 PM   #12
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Don't wanna make a new thread but I haven't got on my car that bad I have an 02 GT and at idle I have white smoke coming out and smells like burning gas well like normal exhaust any ideas?
Is this when you first start up your car? Is it colder now (weather)?
If so mine does the same thing and i believe you only see the smoke now because of the cold and the smell of gas might just be the car running a higher idle to get warmed up in this colder weather. Thats the way i was explained it ayways!
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Old 12-16-2012, 09:40 PM   #13
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Colder weather will result in condensation and slightly more fuel being burned until the car has reached operating temp to come out the pipes.

If the smoke isn't black and it doesn't smell sweet (coolant), you're fine.
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Old 12-17-2012, 06:20 AM   #14
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White smoke usually indicates coolant is getting into the cylinders and is getting burned with the fuel. In the old days, you could wait until the engine cools, remove the radiator cap, start the engine and look for bubbles, indicating cumbustion is getting into the cooling system (blown or leaking head gasket) and coolant is getting into the exhaust. One or more of the spark plugs would be squeaky clean, indicating where the head gasket was blown (which cylinder).

Remove the oil dipstick and see if the oil is brown or black. This will be good for you. If the oil on the dipstick is white or creamy looking, you have a head gasket failure.

Oil burning is usually bluish to grey in color.
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Old 12-17-2012, 06:53 AM   #15
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Sweet thanks
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Old 12-17-2012, 10:10 AM   #16
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condensation could also be the cause (super hot cats might make it worse)
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Old 12-20-2012, 07:55 PM   #17
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You didn't fall for this did you?
Haha
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Old 12-20-2012, 11:21 PM   #18
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You didn't fall for this did you?
Haha
Made me laugh .
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Old 12-21-2012, 06:57 AM   #19
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Lol I ain't that stupid -.-
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Old 12-21-2012, 08:35 AM   #20
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Oh man. I would feel really sorry for anyone who did that.
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Old 12-21-2012, 11:51 PM   #21
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Well... I bet he doesn't have moisture in his tank anymore.
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Old 12-22-2012, 02:54 PM   #22
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Silly Honda. Push yourself home. But would sea foam do anything in the gas tank though as far as say, ethanol being converted into water
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Old 12-22-2012, 03:22 PM   #23
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Silly Honda. Push yourself home. But would sea foam do anything in the gas tank though as far as say, ethanol being converted into water
I heard sea foam is only good for like when you take ur intake manifold off and want to clean the oil
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Old 12-22-2012, 09:54 PM   #24
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I heard sea foam is only good for like when you take ur intake manifold off and want to clean the oil
I've used sea foam on everything but cars. But it's like a mechanic in a can . Never seen anything like it. Made my four wheeler run like new .
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Old 12-22-2012, 11:19 PM   #25
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I've used sea foam on everything but cars. But it's like a mechanic in a can . Never seen anything like it. Made my four wheeler run like new .
So you put it in the car? Lol I've never heard of such a thing
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Old 12-22-2012, 11:21 PM   #26
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So you put it in the car? Lol I've never heard of such a thing
Never seen a need the car is new and runs like a champ . 😄
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Old 12-22-2012, 11:44 PM   #27
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Never seen a need the car is new and runs like a champ . dde04
Oh yea I know it's still new. But you can put it in the car ?
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Old 12-22-2012, 11:45 PM   #28
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Yeah boats too
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