Question about 2003 Toyota Sequoia

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White smoke Truck shoots out white smoke during start up only for a minute.Otherwise seems to run great.

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Posted on Jan 02, 2017

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old marine
  • 2005 Answers

SOURCE: clouds of white smoke

Dense white smoke usually indicates coolant/antifreeze getting into the combustion chambers. This can be from a "blown" head gasket or from a crack in the cylinder head or the block. In either case, this involves some major work on the engine. Replacing a head gasket is preferable cost-wise to replacing a cylinder head or the entire engine (block).

Posted on Dec 30, 2008

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SOURCE: starts first time, no smoke on normal running,

It could be a coolant or transmission fluid leak in the combustion chamber. Check your coolant and transmission fluid to see if one or both are low. White smoke from the exhaust is a classic symptom of a blown head gasket, have your cooling system pressure checked. If that checks out good then have your transmission checked.

Posted on Sep 01, 2009

  • 275 Answers

SOURCE: Car is smoking on start up, a lot of white smoke

If the engine is using oil then first remove the dipstick and run the engine, check to see if heavy smoke is coming out of the tube, this would indicate worn piston rings,if it is not so dense, yet you are using oil and it smokes bad from the exhaust, then its likely the valve seals are worn. either way, unless you have mechanical knowledge, tools etc , you need to take it to a mechanic for the engine repairs or live with the oil consumption. There are no quick fixes for engine wear.

Posted on Feb 25, 2010

SOURCE: My truck is blowing white

white smoke means there is a presence of water/coolant at your combustion chamber. common cause of this is blown head gasket and/or small cracks/holes in your cylinder head. if this happens, water will not circulate properly in your engine thus the vehicle will shutdown due to over heating.

what to do:
1. replace head gasket. this is quite not a DYI fix since it will require some tools like torque wrenches and some knowledge on timing.
2. if replacing the head gasket does not solve your problem, have your cylinder head resurfaced at the nearest car service center. resurfacing makes sure that your cylinder head perfectly fits with the crank case.

Posted on Aug 06, 2011

  • 29 Answers

SOURCE: Idle is high at start

white smoke out of the exhaust would be a sign that it is burning coolant... if it goes away after it warms up, it could just be condensation inside the exhaust pipe. 1800 rpm is a very high idle, maybe have your IAC motor on the throttle body checked... check engine light? if so have the code read at your local auto zone.

Posted on Aug 09, 2011

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1 Answer

DI have a 1983 ford f250 with 6.9 diesel engine. The previous owner told me that the front fuel tank did not work; he said that he was running the truck on the front tank once and that the truck started...


have you looked into the injectors, or injector balance? glow plugs just preheat the cylinders before you start turning the engine over. if the injectors are dumping too much fuel it will run rich and blow black smoke, lean it will dump white smoke, same as if it has an internal coolant leak, but smell different. Ford has had problems with EGR systems on some of their diesels, being an older truck how many miles is on it? and the front fuel tank could have a bad fuel pump, pretty common for them to do what you have described. Also might want to have the timing looked at on it! It ignites off of pressure, and if the timing is off it will adversely affect the ignition of the fuel which will make for hard starts, and poor running. there is a lot that needs to be looked at to figure this one out! could be quite a few different things. Good luck!

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D3500 dually diesel has rough running problems for about ten minutes. Then runs great. Smoke is blue/white at first and truck wont run over 1800 rpm for ten minutes; then runs fine. I am told that it is...


I would look more at your injector pump than the lift pump....Dodge does have a problem with there fuel delivery ( not enough consistent PSI ) which in turn takes out the injector pump mainly because the pump has be running to lean...So look at replacing your delivery pump with something 14PSI or greater, unfortunately sounds as though you will have to get your injector pump either replaced or rebuilt

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I have a diesel engine that expells white smoke for 5 to 10 miniuts after start up? The exhaust also smells rich with fuel? I bought the truck used and am trying to fix the problems! Please help.


When an engine expels black smoke it means that the piston rings are going and is consuming oil. And when the color of smoke is white the engine is consuming more fuel. Both are harmful. Black to the engine and pocket while white to the pocket. It seems that the injector need careful attention.
Cold engine does expel white smoke initially. When the temperature rises to normal working temperature the smoke stops. This is normal in your case. 5 to 10 minutes to warm up is normal for any diesel engine. But any thing more than that needs attention.

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White smoke from exhaust too much


If it is steam that means water is getting into a cylinder. Generally this is a blown gasket. One way to test is remove each plug one at a time and turn the engine over. Water coming out of a spark plug hole will confirm. Could be other problems. I had a blown head gasket once and would leave a cloud of steam at a stop light. Unfortunately the car won't run too long and the cylinder would fill with water and stop. Then it was a tow to a garage for repair.

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My truck has a hard time starting when its the first time of the day and it backfires and blows white smoke during this process but after running the RPMs up for a while it finally smooths out and runs...


My 94 chevy with a 5.7 seems to foul a couple of spark plugs at the back of the engine on the drivers side quite quickly. My uncle who is a mechanic said he has seen same problem many times on that engine.
I sugest you pull your plugs and clean or replace if necessarry.
The first time I changed the plugs on the truck to fix a rough idle , I started at the back of the passenger side and worked my way around.
Of course , the last 2 that I got to were the problem...... Heartless uncle just laughed.
Also , white smoke just at start up could indicate worn valve stem seals.

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the head gaskets are blown you can believe that anytime on any engine gas or deisel that you get oil in the radiator and there water/ antifreeze in the oil pan the gaskets and or cylinder heads are bad

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2004 Excursion 6.0 diesel blows intermitent white smoke


I don't drive a Ford but I drive an International and white smoke on start up means the engine is too cold to properly burn the fuel. Your black oil or soot is unburnt fuel. You should look at your engine's preheat system for a malfunction.

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1 Answer

1993 Nissan Maxima blowing white smoke out the exhaust


Rich fuel=black smoke.
Oil burning=blue smoke
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