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Anonymous Posted on Nov 22, 2013
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My 1996 mazda 626 has smelly white smoke coming out exhaust when i start it

There might be oil in the water&coolant

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5 Related Answers

Anonymous

  • 1498 Answers
  • Posted on Nov 16, 2008

SOURCE: my 1991 mazda 626 runs

Hi Arelis,

It sounds like two different problems. White smoke is indicative of water in the fuel. If it was oil burning the smoke would be blue.

The oil may be leaking out. Is there evidence of oil leakage on the road when you park? Check the engine for for oil leaks.

There are additives available at auto parts stores that deal with water in the fuel supply.

Please feel free to contact me. More details will be needed to get to the source of the oil problem

Mike

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Colin

  • 1584 Answers
  • Posted on Aug 11, 2009

SOURCE: white smoke on start up on 1998 mazda 626

Hi
Lots of things to check
?Leaking head gasket
Does it use brake fluid
Start engine only fo a few seconds, shut down, remove all spark plugs to see which ones are fouled

Ronaldbrains

  • 881 Answers
  • Posted on Nov 17, 2009

SOURCE: Have Mazda bravo B2600 4WD ,has white smoke &

You dont say weather its a petrol or diesel engine as there a slight differance in the answer and if a turbo on a diesel thats even more of a differance, but taking it a petrol .
Well to start with the white smoke Isent smoke its water and after going through the engine it turns into Steam and thats what you see..
Running on 3 clyinders is caused through 1 cylinder isent working as a engine should and has a bad valve or a broken piston ring or more and even a cracked head and gasket letting the water through,,,also the broken ring works like a oil pump as if not firing given you power then it works like a oil pump and pumps it into the cylinder that dosent work only pumping oil into the hot exhaust system while running.CAUSING SMOKE
And if a turbo then could be the turbo bearings worn and pushing oil into the engine and still doing the same as before.
Let me know how you get on. RON

Navmesha

Navin Sharma

  • 315 Answers
  • Posted on Nov 09, 2011

SOURCE: on start up I get lots of white smoke this lasts

valve seals shot...get reconditioned head

skychief2001

Stephen

  • 21873 Answers
  • Posted on Aug 28, 2012

SOURCE: mazda 6 1.8 ts 05 constant blue white smoke out of exhaust

It probably has some internal engine damage. If you pull the spark plugs one or more will probably be oil fouled.
You may want to have a compression test done and see if you can find the source of the oil - may be a head gasket.

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2000 Mazda 626 , was overheating, white smoke from exhaust,losing coolant. Should mechanic checked head gasket before installing water pump & component kit
Yes, if there's white smoke coming out the exhaust the engne is burning coolant it has to get into the combustion chamber via a broken head gasket, a cracked head or a cracked block. A simple leak down test will identify the problem cylinder. I hope this helps. Take care.
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My mazda 626 has a strong potent smell coming from the exhaust
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White smoke is almost always steam or in the case of a diesel it could be an unburned fuel mist, grey/black is excess fuel and blue or grey/blue is burning oil.

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I have a 98 mazda 626 only when its cold i have like a blue gray or even white smoke coming from the exhaust don't know what it could be?
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My Toyota Corolla XL 1996 model is belching heavy white smoke. I have just changed the oil and also the spark plug. What do you think is the problem?
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Dec 10, 2009 • 1996 Toyota Corolla
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Theres was smoke coming from the exhaust and engine
if you have white smoke in your exhaust, you have a blown headgasket, and if you 626 is turbo'd and depending to the tubo is cooled eg antireeze, then coolant could be leaking out that way too. also it would be helpfull to know what the steam is coming from. BUT since you mentioned that is coming from the exhaust, it woud wager that its a blown head gasket. you can veryfi this a number of way. take out your spark plugs one at a time and have a look at them. if a couple look "too clean" or seam to "steam cleaned" compared to the other ones = lack carbon build up etc, then the plug that you took out is the cylinder where the engine coolant is leaking into. also, you can do a compression test = which ever cyclinders are super low = blown gasket is located on that cylinder. PS if you do have a blown head gasket, you should replace your oxygen sensor as well because the glycol in the antifreeze wrecks the O2 sensor.
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Jul 07, 2009 • 1999 Mazda 626
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On start up I get lots of white smoke this lasts until car warms to normal operating temperature, car is using a little oil have noticed oil spitting from exhaust, no obvious sign that the head, head...
Stage one of a blown head gasket is a pin hole leak. As time goes by the hole(s) get bigger.
I will start traking the coolant lost and oil lose.
From the time you stop your engine to the next morning,there can be slow leakage between the coolant passage and the cyclinder end of the head gasket.
This is one possiblilty of lots of white smoke in AM.
Small amount is normal but large amount of smoke is a call for a professional check up.
To pin point a blowing headgasket you will need
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or
2)chemical reaction test for combustion test gas
If it's the org. engine from 1997,with over 110,000 then blowning headgasket is a good possiblity.
Drive it to the shop and let the pro to do the coolant pressure test and combustion gas test.
A full head gasket job with head re-surface (if it can be re-use) is worth it.
Shop around on well estiblished independent shops.
Fix the blown head gasket at the first stage of failure can safe you thousand on a head replacement.
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Mar 30, 2009 • 1996 Mazda 626
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My 1991 mazda 626 runs great but will not stop burning oil and white smoke keeps coming out of the exuast pipe
Hi Arelis,

It sounds like two different problems. White smoke is indicative of water in the fuel. If it was oil burning the smoke would be blue.

The oil may be leaking out. Is there evidence of oil leakage on the road when you park? Check the engine for for oil leaks.

There are additives available at auto parts stores that deal with water in the fuel supply.

Please feel free to contact me. More details will be needed to get to the source of the oil problem

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