Is my motor blown?
10-02-2006, 02:27 PM
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Is my motor blown?
A couple of weeks ago I got an oil change from my mazda dealer and shortly after my car started smoking when it wasn't all the way warmed up. At first it's blue and then 30 seconds later it turns to white, and I mean it just looks like i did a burn out, it's a huge amout of smoke. Well i thought that they might of given me synthetic oil and Scott from mazsport told me that 20w50 syn with create blow-by with the turbo seal/gasket, so i changed the oil myself and it still does it, and not only that but when i was driving at about 45mph in third i heard a large pop and and nasty ball of smoke just shot out of my exhaust. So someone plz tell me is my motor blown or is my turbo toasted? PLZ HELP!!
10-02-2006, 03:06 PM
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Blowing an engine doesn't usually sound like a shotgun - unless you're running ANFO in the gas tank. It sounds no different than pinging. You wouldn't even notice it if you had the radio up.
If smoke is the only symptom, its NOT a blown engine. You'd feel a tremendous vibration since the power would be unbalanced due to the blown seal. Its something else likely related to the turbo or associated oil lines leaking.
If smoke is the only symptom, its NOT a blown engine. You'd feel a tremendous vibration since the power would be unbalanced due to the blown seal. Its something else likely related to the turbo or associated oil lines leaking.
10-02-2006, 03:51 PM
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Oh man that took a big wieght off my shoulders. Is there any possibility that it could be my fuel system? Because I'm pretty sure it's maxed out, actually in high boost I know it is.
10-02-2006, 04:15 PM
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Basic rule of thumb -
Blue smoke = oil smoke
Black smoke = unburned fuel smoke
White smoke = water/coolant smoke
Sounds like you may have an intake gasket blown, which is allowing fluids into the intake area. Or, you may have a seal on the turbo or associated piping leaking into the intake area.
The white smoke is probably coolant.
Just a guess. Look for leaking fluids near the intake. Also look for a whistling sound at idle, again near the intake manifold.
Blue smoke = oil smoke
Black smoke = unburned fuel smoke
White smoke = water/coolant smoke
Sounds like you may have an intake gasket blown, which is allowing fluids into the intake area. Or, you may have a seal on the turbo or associated piping leaking into the intake area.
The white smoke is probably coolant.
Just a guess. Look for leaking fluids near the intake. Also look for a whistling sound at idle, again near the intake manifold.
10-03-2006, 04:45 AM
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Originally Posted by evilmiata
Does it idle? Are you making boost?
10-03-2006, 07:43 AM
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Originally Posted by Wanganrx8
A couple of weeks ago I got an oil change from my mazda dealer and shortly after my car started smoking when it wasn't all the way warmed up. At first it's blue and then 30 seconds later it turns to white, and I mean it just looks like i did a burn out, it's a huge amout of smoke. Well i thought that they might of given me synthetic oil
10-03-2006, 07:59 AM
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Originally Posted by Tirminyl
That will do it. Just the thought of synthetic oil will blow your engine. Doesn't matter if its NA or turbo like yours.
WTF are you talking about? I seriously hope this is a lame attempt at humor. If not, you have no idea what you are talking about and should suffer and slow and painful death for posting bull$hit like that.
10-03-2006, 08:08 AM
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Originally Posted by skillmaker
Basic rule of thumb -
Blue smoke = oil smoke
Black smoke = unburned fuel smoke
White smoke = water/coolant smoke
Sounds like you may have an intake gasket blown, which is allowing fluids into the intake area. Or, you may have a seal on the turbo or associated piping leaking into the intake area.
The white smoke is probably coolant.
Just a guess. Look for leaking fluids near the intake. Also look for a whistling sound at idle, again near the intake manifold.
Blue smoke = oil smoke
Black smoke = unburned fuel smoke
White smoke = water/coolant smoke
Sounds like you may have an intake gasket blown, which is allowing fluids into the intake area. Or, you may have a seal on the turbo or associated piping leaking into the intake area.
The white smoke is probably coolant.
Just a guess. Look for leaking fluids near the intake. Also look for a whistling sound at idle, again near the intake manifold.
The loud bang and black smoke could be a very rich A/F mixture getting out of the engine. Maybe it was leaking ? Maybe it was slightly flooded ? Have you done the "restrictor pill" in the turbo oil-line ?
Just random thoughts....
10-03-2006, 10:24 AM
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Originally Posted by MadDog
WTF are you talking about? I seriously hope this is a lame attempt at humor. If not, you have no idea what you are talking about and should suffer and slow and painful death for posting bull$hit like that.
10-03-2006, 01:30 PM
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Originally Posted by The Ace
The only useful post in here. Check the exhaust fumes' color. Blue means oil, black means too rich, white means coolant. Do the sniff test as well (you know the smell of gas, coolant will be sweet like a pancake, oil will be heavy like a fried pan). But if it's white like you said, you are probably facing a coolant leak.
The loud bang and black smoke could be a very rich A/F mixture getting out of the engine. Maybe it was leaking ? Maybe it was slightly flooded ? Have you done the "restrictor pill" in the turbo oil-line ?
Just random thoughts....
The loud bang and black smoke could be a very rich A/F mixture getting out of the engine. Maybe it was leaking ? Maybe it was slightly flooded ? Have you done the "restrictor pill" in the turbo oil-line ?
Just random thoughts....
10-03-2006, 04:24 PM
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Originally Posted by Wanganrx8
"restrictor pill"??? i've never heard of that, what would that happen to be? oh and the bang wasn't all that loud, like i said it almost sounded like something popped and it was white smoke that shot out right after.
10-04-2006, 04:55 PM
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and if it is a coolant leak then would i constantly be smoking?? Because it only smokes when the car has only been running for a few minutes.
10-05-2006, 04:14 PM
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Originally Posted by MadDog
WTF are you talking about? I seriously hope this is a lame attempt at humor. If not, you have no idea what you are talking about and should suffer and slow and painful death for posting bull$hit like that.
https://www.rx8club.com/showthread.p...9&page=2&pp=15
and u'll know what he mean
10-05-2006, 04:41 PM
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Originally Posted by Wanganrx8
and if it is a coolant leak then would i constantly be smoking?? Because it only smokes when the car has only been running for a few minutes.
Coolant at colder temperature has almost no 'pressure'. (Evidenced by being able to remove the radiator cap with a cold engine, without any blowout of fluid or gasses). As coolant gets warmer, pressure builds up (caution, do not open your radiator cap when engine has reached operating temperature). Higher pressure causes coolant to push past broken/ineffective gasket, taa daa - instant white smoke after a couple minutes runtime.
Check your coolant level (now, more than ever) to see whether it is being consumed.
Get your car to a reputable dealer or repair shop to have them diagnose the problem.
Last edited by skillmaker; 10-05-2006 at 04:44 PM.
10-05-2006, 05:05 PM
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Originally Posted by skillmaker
Actually, if it is a gasket problem in the intake area, it would be more apparent as the engine warms up.
Coolant at colder temperature has almost no 'pressure'. (Evidenced by being able to remove the radiator cap with a cold engine, without any blowout of fluid or gasses). As coolant gets warmer, pressure builds up (caution, do not open your radiator cap when engine has reached operating temperature). Higher pressure causes coolant to push past broken/ineffective gasket, taa daa - instant white smoke after a couple minutes runtime.
Check your coolant level (now, more than ever) to see whether it is being consumed.
Get your car to a reputable dealer or repair shop to have them diagnose the problem.
Coolant at colder temperature has almost no 'pressure'. (Evidenced by being able to remove the radiator cap with a cold engine, without any blowout of fluid or gasses). As coolant gets warmer, pressure builds up (caution, do not open your radiator cap when engine has reached operating temperature). Higher pressure causes coolant to push past broken/ineffective gasket, taa daa - instant white smoke after a couple minutes runtime.
Check your coolant level (now, more than ever) to see whether it is being consumed.
Get your car to a reputable dealer or repair shop to have them diagnose the problem.
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