Question about 1993 Toyota Camry V6

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Overheat blows white smoke ( steam) from exhust on start up and runs a little ruff on cold start suspect head gasket its a 93 toyota windom 3g it has a 3vz fe

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Your diagnosis would seem to be correct. when a head gasket goes, coolant can leak into the combustion chamber where the coolant turns to steam and vents to the exhaust.

Posted on Jun 07, 2010

  • Jason McCune Nov 30, 2010

    I have discovered that a head gasket will not always blow out white smoke/steam from the exhaust if it is bad. One day I wanted to get my rear exhaust manifold out to remove and replace the two studs that were stripped out. I seperated parts from the upper engine and got it out. I accidentally dropped a little washer from a magnet tool that was falling apart down in the intake manifold which then it silently made it's way into the combustion chamber. I was really upset but I removed the timing belt, and the head, and found it. I put the engine back together but the head was blown, duh, I know, I didn't replace the head gasket. It didn't overheat, smoke, or choke. My engine just idled like a horse gallop and when driving the dang car it was pretty rough during acceleration. I overhauled and got it done just before Thanksgiving. I even replaced the front oil seal, etc........very proud.


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7.3 power stroke turbo diesel blows white smoke runs little bitt then dies will start after it cools off

is it smoke or steam. check the coolant the engine could be burning coolant caused by a ruptured head gasket.

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What happening is you have a bad head gasket or its starting to go bad. As long a little oil is getting in to cylinders causing that smoke once it warms up that gasket is expanding thus the smoke stops. I would keep an eye on oil levels if it gets milky replace gasket asap. Could also be intake gasket but highly doubt it this sounds like a worn head gasket.

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Feb 17, 2012 | Cars & Trucks

1 Answer

I have lots of white smoke coming from tail pipe when starting

White smoke is either steam or coolant. Oil smoke is blue, fuel is black. The smoke is water or coolant boiling and then coming out the exhaust as vapor.

If the weather is cold, water will condense in the exhaust system after shutdown, then come out as steam on startup. This is OK. If you see the smoke after driving on the highway for an hour or it is an all-the-time event, you have a problem.

If you have a problem, most likely, at this age, it is a leaking head gasket. Possibly the cylinder head is cracked. Valve problems are possible but less likely. Keep track of how much coolant you add to keep it at the full mark. Obviously, this is expensive to fix.

The problem was bad/worn valve stem seals which allowed oil to seep into the cylinder heads when the engine wasn't running and burn off when the engine was started creating the white smoke. If it is valve stem seals, they are not too expensive to replace however I would suspect your mechanic will want to do a complete valve job which is a little more costly.

Hope thos help (remember comment and rated this).

May 10, 2010 | 1990 Lexus LS 400

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Blowing white smoke when reved up.... boggs a little when accelerating, idles a little rough also.. its a 93 civic dx with a 1.5l

White smoke is usually caused by a cracked head gasket or cracked head, but some times it is caused by your brake booster sucking brake fluid into the intake through the vacuum hose. If your brakes are constantly going soft, or your brake reservoir constantly needs refilling then that will be your problem. Replacement will include both the brake booster and the master cylinder.

If the cause is a leaking head, you can fix it with sodium silicate (liquid Glass) which can be purchased in most pharmacies. You will need to remove your thermostat to keep it from sticking shut before doing this. Replace it after the smoke is gone.

Remember that the sodium silicate trick is more of a bandaid than a permanent fix. Also remember that sodium silicate is not a good fix for steel heads, and since yours is aluminum it should work.

BUT since your problem only occurs as you accelerate, I would suspect the brake booster and master cylinder.

Apr 08, 2010 | 1986 Honda Civic

1 Answer


YES i think he could correct as the white smoke IS infact water or steam coming out after you have burnt it in 1 of your cylinders,,Do you get a missing in the engine and either running on 3or les cylinders ..and also when you check the dipstick do you have water beeds on the stick and white sludge under the oil filler cap if yes then you want ti get the engine rebuilt or head done NOW dont leave it to long as the inside parts will go rusty and then its a throwaway job and if it boiles to oftern then the engine will have it be replaced.. SORRY ABOUT THE BAD NEW BUT THATS LIFE
Let me know how you get on Ron

Oct 29, 2009 | Toyota Camry Cars & Trucks

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