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Old 03-29-2014, 06:10 PM   #1
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Black/White Smoke When Revved

Today I was pulling into my parking spot and revved my engine at my girlfriend... I looked behind me and saw some WHITE (I redid the scenario with my car and it showed just white) smoke. It smelled too, but not like diesel thick. Obviously this can be a broad questions but I was wondering what it might be... My engine detonates so i am wondering if this has to do with it smoking...

The engine smelled sorta like burnt gas... I uploaded the stock tune just to make everything equal...

It only smoked when revved at like 4k rpm or higher..
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Old 03-29-2014, 07:11 PM   #2
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What did the white smoke smell like?
Has your car been using coolant?
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Old 03-29-2014, 07:14 PM   #3
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No idea on the coolant.. Like bunt something. My friend said burnt gas but iam not sure about that or if it's oil.
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Old 03-29-2014, 07:18 PM   #4
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It's little amounts. Not like gushing out
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Old 03-29-2014, 07:19 PM   #5
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What was the temperature today?
Was it cold?
Could this have possibly been condensation from the exhaust?
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Old 03-29-2014, 07:20 PM   #6
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Very warm here in Texas. Exhaust smells like burnt something. Checked oil and there isn't any milky
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Old 03-29-2014, 07:22 PM   #7
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How about the coolant level... Is it low?
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Old 03-29-2014, 07:25 PM   #8
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How about the coolant level... Is it low?

Haven't ever checked that before. Stupid question but how
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Old 03-29-2014, 07:25 PM   #9
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hopefully its something simple like the Air Charge Temp. Sensor - ACS or ATS. ... Maybe PCV, EVR/EGR... something.. You have an Oil Catch Can? They're great..

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Old 03-29-2014, 07:32 PM   #10
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Haven't ever checked that before. Stupid question but how
You should have a "coolant low" light on the dash. unless its out. There's a sensor in the radiator. Pour water in the "coolant reservoir" overflow tank. it's right on the radiator.


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Old 03-29-2014, 07:32 PM   #11
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hopefully its something simple like the Air Charge Temp. Sensor - ACS or ATS. ... Maybe PCV, EVR/EGR... something.. You have an Oil Catch Can? They're great..

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I went to check my coolant level and my engine is warm do it started hissing.. Label says don't take the cap off when it's hot. So I layed off it and will check tonight.
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Old 03-29-2014, 07:32 PM   #12
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You may be able to see the level if you look on the side of the plastic tank sitting on top of the radiator.
If not open the radiator cap CAREFULLY when the engine is cool and look inside. You'll see the mark for the correct level on the drivers side of that tank.
If the engine is hot when you open that cap, the coolant WILL spray out and can burn you...
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Old 03-29-2014, 07:34 PM   #13
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Black/White Smoke When Revved

Quote:
Originally Posted by Mosified View Post
You should have a "coolant low" light on the dash. unless its out. There's a sensor in the radiator. Pour water in the "coolant reservoir" overflow tank. it's right on the radiator.


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I don't have any lights on.
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Old 03-29-2014, 07:35 PM   #14
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Oh yeah. Do it cold. plus with the radiator cap off, squeeze the top hose and listen for water squishing around.

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Old 03-29-2014, 07:37 PM   #15
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Quote:
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You should have a "coolant low" light on the dash. unless its out. There's a sensor in the radiator. Pour water in the "coolant reservoir" overflow tank. it's right on the radiator.


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Do our cars have one?
Haha.
If so, mine doesn't work.
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Old 03-29-2014, 07:37 PM   #16
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A bad PCV valve will suck lots of oil thru your intake. look into a catch can/ oil seperator.. keep that engine sludge free... You'll sleep better at night for sure.. LOL.

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Old 03-29-2014, 07:39 PM   #17
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Quote:
Originally Posted by straybullitt View Post
You may be able to see the level if you look on the side of the plastic tank sitting on top of the radiator.

If not open the radiator cap CAREFULLY when the engine is cool and look inside. You'll see the mark for the correct level on the drivers side of that tank.

If the engine is hot when you open that cap, the coolant WILL spray out and can burn you...

This prolly doesn't have anything to do with my engine detonating right?

I cranked my car up and went back to see a Very small amount of white smoke come out and no more came out.. Later I revved it to 4k again with the stock tune and my friends said they didn't see anything. Should I get bama to send me a new tune?
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Old 03-29-2014, 07:42 PM   #18
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This prolly doesn't have anything to do with my engine detonating right?

I cranked my car up and went back to see a Very small amount of white smoke come out and no more came out.. Later I revved it to 4k again with the stock tune and my friends said they didn't see anything. Should I get bama to send me a new tune?
It could, very well, be why your engine is detonating. Does it do it now that you've switched tunes?
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Old 03-29-2014, 07:43 PM   #19
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Quote:
Originally Posted by V6 stang View Post
This prolly doesn't have anything to do with my engine detonating right?

I cranked my car up and went back to see a Very small amount of white smoke come out and no more came out.. Later I revved it to 4k again with the stock tune and my friends said they didn't see anything. Should I get bama to send me a new tune?
Call them and ask. They're great like that

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Old 03-29-2014, 07:46 PM   #20
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It could very well be why your engine is detonating. Does it do it now that you've switched tunes?

Does it detonate? Yes it detonated before I loaded my 93R on it.

Never seen it smoke though
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Old 03-29-2014, 07:48 PM   #21
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I only use 93 Octane to prevent detonation. plus, hot engine temperature causes detonation too. I have a 180° Thermosat, and one step colder spark plugs... Check your stock thermostat degrees.. and just go 15-20° cooler.. these three things are a lot of Anti-detonation insurance

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Old 03-29-2014, 07:52 PM   #22
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Does it detonate? Yes it detonated before I loaded my 93R on it.

Never seen it smoke though
Maybe there was just some moisture in the muffs.. was it just after you started it? like within a few minites?

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Old 03-29-2014, 07:54 PM   #23
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Does it detonate? Yes it detonated before I loaded my 93R on it.

Never seen it smoke though
There's definitely something wrong then. Lets find out where the coolant level is at once the engine cools.
Mine doesn't detonate at all, even without using the "tricks" Mos mentioned...
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Old 03-29-2014, 07:57 PM   #24
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Maybe there was just some moisture in the muffs.. was it just after you started it? like within a few minites?

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I ha originally backed into my driving and and revved it, then saw the cloud behind me and smelt it. I immediately turned it off due to being scared. Ended up cranking it back up and revving it again. Saw the cloud then turned off again. Looked it up and some things said it could be bad rings or seals if it smokes when it starts up. So I started it up and saw the very small amount of white smoke.
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Old 03-29-2014, 08:00 PM   #25
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If its a head gasket or intake gasket, it would always smoke. besides lose water.
I just had a bad Air Charge Sensor. replaced it for $15. It made a noticeable difference.

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Old 03-29-2014, 08:00 PM   #26
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There's definitely something wrong then. Lets find out where the coolant level is at once the engine cools.
Mine doesn't detonate at all, even without using the "tricks" Mos mentioned...

Obviously it shouldn't detonate. This isn't caused by a major motor problem is it?
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Old 03-29-2014, 08:01 PM   #27
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If its a head gasket or intake gasket, it would always smoke. besides lose water.
I just had a bad Air Charge Sensor. replaced it for $15. It made a noticeable difference.

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Did it make yours smoke at high revs but not all the time?
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Old 03-29-2014, 08:04 PM   #28
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I ha originally backed into my driving and and revved it, then saw the cloud behind me and smelt it. I immediately turned it off due to being scared. Ended up cranking it back up and revving it again. Saw the cloud then turned off again. Looked it up and some things said it could be bad rings or seals if it smokes when it starts up. So I started it up and saw the very small amount of white smoke.
Oil smoke will have a bluish tint to it.
Water or coolant smoke will look about the same as when you start your car on a cold morning. And should also smell like coolant.
A rich fuel mixture will be a sort of gray/black looking smoke.
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Old 03-29-2014, 08:05 PM   #29
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Oil smoke will have a bluish tint to it.

Water or coolant smoke will look about the same as when you start your car on a cold morning. And should also smell like coolant.

A rich fuel mixture will be a sort of gray/black looking smoke.

It may be rich and that's why it smells the way it does. The first time was white-ish black.
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Old 03-29-2014, 08:07 PM   #30
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Obviously it shouldn't detonate. This isn't caused by a major motor problem is it?
No. It's not caused by a major motor problem but it can certainly create one...
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Old 03-29-2014, 08:09 PM   #31
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Everything has been tuned up and cleaned (TB and MAF) and is in good shape as far as you know, right?
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Old 03-29-2014, 08:11 PM   #32
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I honestly have no idea. I work so much that I barely have time to look at it. The motor had maintenance done from the dealer it seems and the bay is cleaned.
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Old 03-29-2014, 08:14 PM   #33
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I honestly have no idea. I work so much that I barely have time to look at it. The motor had maintenance done from the dealer it seems and the bay is cleaned.
You're going to have to check all that when you get a chance!
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Old 03-29-2014, 08:19 PM   #34
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You're going to have to check all that when you get a chance!

What would that be causing?
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Old 03-29-2014, 08:22 PM   #35
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Did it make yours smoke at high revs but not all the time?
First 3-4 minutes in cold temoerature my exhaust had so much condensation that I actually thought I blew a head gasket. Turned out the EGR/EVR syetem was totally thriwn off by that one little bad sensor. EGR wouldn't work. Air fuel mixture was slightly off. Gas loaded up my plugs. After i bought and installed the $15 sensor, I could smell the excess gas burning off the plugs BIGTIME. 50-100 miles+ should've burned off the plugs nicely Runs like new !!)) The oil seperator helps BIGTIME too. a bad PCV valve is $3.50. A bad PCV valve will gunk up your plugs and Im sure burn the excess oil at WOT..

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