Question about 1993 Pontiac Sunbird

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Within the last week I noticed that my Sunbird started putting out some "white" smoke out of the ext. my anti-freeze fluid is fine, as is my oil. because its a 93, it has always leaked alittle oil but nothing bad. last week i had to replace a gasket for the rad. since then i've notice the ext. any help?

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Look white smoke is the engine burning some kind of moisture keep on eye on your radiator fluid not just the plastic bottle check radiator from the cap,

Posted on Jul 30, 2010


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2001 buick lesabre white smoke in idle after sitting for a week. Service engine light is on.

You are likely seeing anti-freeze burn off that has seeped into the intake or combustion chamber and is burned off on start up. The most likely culprit is the intake manifold gasket. It is so small that daily use does not yeild enough anti-freeze to notice on start up. But after a week of seeping it is noticable. The proper fix is a new manifold gasket the short term bandaid is a high quality coolant sealer.There is another possibility which is cylinder head gasket or cylinder head but based on my experience (38 years mechanic) it is not as likely with your car. Good luck.

Aug 04, 2014 | Cars & Trucks

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1998 buick lesabre wont start. had a new thermostat installed last week as heater was blowing cold air. mechanic added anti freeze, car was running fine and blowing hot air. today the check engine light...

Sounds like you have water in the oil which means you could have a blown head gasket. Can you tell what got in the oil. Is it antifreeze or gas. If gas you probably have a injector sticking open.

Jun 23, 2017 | Buick LeSabre Cars & Trucks

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Anti-freeze in my engine

first drain the contaminated fluids.
replace oil filter and put new oil in crankcase.
drive a few days and check for moisture.
will be foamy white on dipstick.
this could foul the plugs or cause white smoke in the exhaust
if you can't see behind the vehicle after a couple days change
the oil and dump out the filter.
the filter could be rinsed out with some gas.

Mar 11, 2013 | Cars & Trucks

1 Answer

White smoke coming from exhaust, burns oil? Intermittently on start. tried change oil and water coolant. per mechanic.

white smoke more usually anti-freeze than oil which creates black smoke. however unburned gas can also appear white, and there may be a vacuum line connection to the transmission which, if corrupted can even put transmission fluid into the exhaust. i think i would want a dealer service department diagnosis on this. if someone suggested changing fluids as a remedy i think i would avoid letting him put a wrench to the vehicle. a dealer may be more expensive up front but they have a better overall record as to getting the right problem the first time.

Jun 03, 2011 | 2005 Chrysler PT Cruiser

4 Answers

The plastic box that you put anti-freeze in; having to replace it with a full thing of anti freeze- weekly. No leak is visible. What is it?

No sign of leak means that your vehicle is likely burning it. An internal coolant leak will cause this. Bad gas mileage, white, sweet smelling exhaust will confirm.

This will likely destroy your motor and exhaust soon.

Feb 25, 2010 | 2001 Jeep Grand Cherokee

1 Answer

White smoke from tailpipe and low oil pressure

How's the anti-freeze doing? Usually when you see white smoke coming out the tailpipe it's because you are getting anti-freeze in the exhaust somehow. Try to sniff it a little does smell like anti-freeze, or oil? I don't know why the oil pressure would be low unless you are getting anti-freeze in the oil. Does the oil look milky, knda like chocolate milk? The low oil pressure could also be a faulty gauge, you may want to have a mechanic put a mechanical gauge on the car for test purposes.

Feb 03, 2010 | 1995 Mitsubishi Eclipse

1 Answer

White smoke coming out exhaust

well if it is white smoke and smells a little fishy, that is anti-freeze burning up so your head gasket mostlikely needs to be replace. but if it is a blueish white smoke that is oil being burn and that mean that you need to change your oil. if you have been changing you oil normally and it is giving you that then that means your pistion rings are worren. if you don't want to replace them you could put a heavier oil in like if normally you use 10w-30 you could put in 20w-50 in and that should help. worren pistion rings allow excess oil to get into the pistion chamber and that is why it burns it up, This should also be noticed by you oil level dropping faster then normal too.

Nov 24, 2009 | 1992 Cadillac Seville

2 Answers

The car got hot we pulled off to side of road and filled with water and havent been able to get it started did a compression test on it and it failed my husband is thinking blown head gasket any other food...

If it failed the compression test then in would either be the head gasket (like your husband said) or it could have a cracked head. Which would be caused by the car getting too hot. Check the antifreeze to see if it has oil in it. And check the oil to see if it has antifreeze bubbles on the dip stick. If either have it then it is a blown head gasket. Good luck.

Aug 05, 2009 | 1992 Pontiac Sunbird

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