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White smoke on exhaust - 1994 Isuzu Trooper

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As a general rule, white smoke can mean coolant leaking into the combustion cylinder(s). Check your coolant level, see if it's still full, or if it's discolored (like oil is mixing into the water). Check the color of the oil, see if it looks like chocolate milk. If you're losing coolant, I'd say it's possible a head gasket, cracked/warped head, etc.

Make sure it really is white smoke -- if it's "blue smoke", it can simply be burning oil -- valve guides, piston rings. Or it was way overfilled with oil and the excess pressure is forcing the oil past the rings.

A compression test would be a good idea, as would a trip to a mechanic to check it out.

Posted on Aug 26, 2010

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Posted on Jan 02, 2017

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2 Answers

My car has white smoke coming from the exhaust


he causes of white exhaust smoke can vary; however, it is common to see white exhaust smoke when first starting a car, especially on cooler days. This is generally steam caused by condensation. As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. If excessive white exhaust smoke is present well after the engine warms up, it is necessary to have the car inspected for possible internal coolant leaks. Indicators of an internal coolant leak include billowing white exhaust smoke accompanied by a sweet odor or a low coolant reservoir level. An internal coolant leak can also contaminate the engine oil giving it a frothy, milky appearance. Even small amounts of coolant entering the combustion chamber will produce white exhaust smoke.
One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
Never remove the radiator cap or coolant reservoir cap while the engine is hot or running as it can cause serious injury; always allow the car to cool down completely first. Checking for a low coolant level in the reservoir is the first step in determining if coolant loss is causing the white exhaust smoke. If the coolant reservoir is at the proper level but excessive white exhaust smoke is present, a cooling system pressure check is required to determine where, if any, coolant leaks are located.

Nov 17, 2016 | Cars & Trucks

3 Answers

My Ford Windstorm Has White Smoke Coming Out Of Exhaust,ConstanLy,Thick White smoke


White smoke is an indication of water in the exhaust. This can be from condensation in the muffler, but that type of smoke usually dissipates after a minute or two of running. Constant, thick white smoke is usually a sign of water leakage into the combustion chamber(s), either via a blown head gasket, cracked head, or cracked block.

Feb 08, 2016 | Ford Cars & Trucks

2 Answers

Will only stay running on revs over 2000rpm if I take foot of peddle it cuts out also white smoke from exhaust


What is year--make--model?
Are you losing coolant? The white smoke may be coolant in the combustion cylinder, possibly caused by a head gasket problem. If head gasket problem, fix that first.

With idle issues, clean/check anything that has to do with idle air system. Any applicable trouble codes?

Nov 28, 2015 | Cars & Trucks

2 Answers

Why bmw x5 battery drain fan not working exhaust blowing out white smoke... what may be happening.


White smoke out of the exhaust indicates moisture (water) in the exhaust. If the car is not driven very far each day, some moisture will collect in the muffler and cause white smoke for a short while after starting. If the smoke is continual, however, you need to watch you coolant level as you may have a blown head gasket.

Jan 13, 2015 | BMW Cars & Trucks

1 Answer

My 1998 Mazda millenia Is shorting white smoke more tell pipe what could be the problem


It is common to see white exhaust smoke when first starting a car, especially on cooler days. This is generally steam caused by condensation. As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. If excessive white exhaust smoke is present well after the engine warms up, it is necessary to have the car inspected for possible internal coolant leaks. Indicators of an internal coolant leak include billowing white exhaust smoke accompanied by a sweet odor or a low coolant reservoir level. An internal coolant leak can also contaminate the engine oil giving it a frothy, milky appearance. Even small amounts of coolant entering the combustion chamber will produce white exhaust smoke. One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
Never remove the radiator cap or coolant reservoir cap while the engine is hot or running as it can cause serious injury; always allow the car to cool down completely first. Checking for a low coolant level in the reservoir is the first step in determining if coolant loss is causing the white exhaust smoke. If the coolant reservoir is at the proper level but excessive white exhaust smoke is present, a cooling system pressure check is required to determine where, if any, coolant leaks are located. THESE LEAKS WILL CAUSE SEVERE ENGINE DAMAGE! Have the car inspected immediately.

I
Internal coolant leaks can and will cause

Jul 30, 2014 | Cars & Trucks

1 Answer

I have a 93 Mazda .mx3 4 cylinder 5speed with white smoke from exhaust how do I check where it's coming from to cause the white smoke its minor on idol but when gas pedal pressed there is more visible...


White smoke from the exhaust may be an indication that coolant is leaking into the combustion chamber. This could be caused by a faulty cylinder head gasket, a cracked or warped heat or cracked block. Check the coolant level, and check to see if the oil dip stick has a milky look.

Causes of White Exhaust Smoke

May 27, 2014 | Cars & Trucks

2 Answers

Blowing white smoke out of exhaust pipe


White smoke is usually a sign for a bad head gasket. How much white smoke is coming out? Also, are you losing coolant and can't find a drip under the engine?

Nov 22, 2013 | Cars & Trucks

1 Answer

I have number 2 and 3 cyl miss fire. Also white smoke comming from exhaust.


if u have white smoke in exhaust along with two cyl misfiring that are next to each other more than likely u have a blown head gasket (the white smoke means u have coolant going into the exhaust )

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