Question about 1994 Toyota Camry

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Smokeing useing fuel - 1994 Toyota Camry

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  • marcwendyhol Jun 06, 2009

    white/blue smoke

  • Crap Iemael
    Crap Iemael May 11, 2010

    More info please?

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  • 41 Answers

You are either burning coolant or oil it depends of what color the smoke is. It usually means internal engine issues.

Posted on May 27, 2009

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I'm looking to purchase a used car. I've been doing online research and saw this webpage http://www.usedcarsmells.com . They talk about exhaust color and smells. Is it true that you could tell a lot about...


Yes this is correct, you can get important information from the colour of smoke from the exhaust:

Blue/Gray Smoke: Blue/gray exhaust smoke is an indication of oil burning in the combustion chamber. These are possible symptoms and causes:
Valve Seals: Leaking valve seals will cause blue/gray smoke at startup because oil leaks past the seals into the cylinder after the engine shuts down.
Valve Guides: Excessive clearance between the valve stem and the valve guide allows oil to leak past the gap into the cylinder.
Piston Rings: Worn or damaged piston rings will cause blow-by resulting in blue/gray smoke.
Worn Cylinder Walls: Worn cylinder walls cause blow-by resulting in blue/gray smoke.
PCV System: A stuck closed PCV valve will cause excessive crankcase pressure resulting in blue/gray smoke.
Black Smoke: Black exhaust smoke is an indication of a rich fuel condition. These are possible causes:
Fuel Injectors: A leaking or dripping fuel injector will cause a rich fuel condition.
Fuel Pressure Regulator: A stuck closed fuel pressure regulator will cause a rich fuel condition.
Fuel Return: A restricted fuel return line will cause a rich fuel condition.
White/Gray Smoke: White exhaust smoke is an indication that coolant is burning in the combustion chamber. These are possible causes:
Cylinder Head: A crack in the cylinder head (around the coolant jacket) will cause coolant to enter the combustion chamber.
Engine Block: A crack in the deck of an engine block near the coolant jacket will cause coolant to enter the combustion chamber.
Head Gasket: A damaged or blown head gasket will cause coolant to enter the combustion chamber resulting in white/gray smoke coming from the tailpipe.

Jan 17, 2015 | Cars & Trucks

1 Answer

Twin turbo 80 horse power deutz Diesel engine blows black smoke under load


Diesel engines smoke when under a heavy load. Unlike a gas engines, a diesel engine uses fuel that is more like an oil.Smoking is a good indication the fuel is not completly burning because of loaded engine spee. White smoke indicates the fuel is not ignitingefficiently. Truck, boats, tanks abd anything else using diesel fuel will smoke when it gets more fuel than it can use.. Easing up on the throttle will lessen the smoke but not eliminate.. Of coarse if the demand is lessened by applying less loadyhe fuel consumption drops.Not to worry as long as the smoke doesn't attract the EPA.

Sep 15, 2014 | Cars & Trucks

1 Answer

Smoke engines


Smokes can be of three colors.
1. White smoke.
Excessive white smoke reveals presence of water in fuel, thermostat valve stuck open, or burnt cylinder head gasket.
2. Black smoke.
Black smoke could be observed due to the unburnt fuel or higher percentage of Hydrocarbons during the combustion process, defective regulating valve, ruptured PCV valve, low fuel pump pressure, defective charcoal canister, ruptured or leaking fuel injectors.
3. Blue smoke.
Blue smoke reveals the engine failure.

Jun 24, 2013 | Toyota ECHO Cars & Trucks

1 Answer

My vehicle gives out black smoke when i take off and press on the speed


Not knowing the vehicle and year etc all I can tell you is that your vehicle is getting too much fuel (too rich). That is what causes black smoke. Blue smoke is oil being burned. Have a mechanic check your engine fueling for being too rich. Some newer vehicles can only use regular fuel, this can be the issue if you're using a higher grade of fuel. Too many things to mention since you haven't supplied any info about your vehicle.

Nov 22, 2012 | Cars & Trucks

1 Answer

Black smoke and bad fuel consumption what is the problem? Oh it an 07is volvo s40 20d


Hi there:Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a fuel odor.
How did the fuel get into the cylinder in the first place? Some of the causes of excess fuel are a carburetor that is out of adjustment, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or computer sensor. If black smoke is present, check the engine oil as in the white smoke example to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil. Call your mechanic and advise him of what you have found.
Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.
Thank you for using FixYa.

Mar 04, 2012 | 2007 Volvo S40 2.4i Sedan

1 Answer

Heavy black smoke from b14 engine what is the possible cause ?


Keep in mind the fuel strategy of the fuel injector is what the call PWM(pulse width modulated) so low fuel pressure can cause rich black smoke.coolant temperature sensor that is reading under temperature can cause black smoke and so can the MAF (mass air flow sensor) use carburator cleaner or brake cleaner and clean MAF outside of the vehicle and see if that helps

Feb 26, 2012 | 1996 Nissan Sentra

1 Answer

Occasional heavy smoke on tickover, but not using oil and oil clean.


HI do you now the color of the smoke
if engine emits white smoke its not burning the fuel
it could be water mixing with fuel = head gasket even tho you
dot have water in the oil
if engine emits black smoke - that's excessive fuel to air ration
check air filter & air inlet to see if clogged

if engine emits blue smoke - excessive oil consumption
cloud be valve seals

Jun 28, 2011 | 1996 Volvo 850

1 Answer

My camry 2001 v6 engine emits black smoke and **** in traffic


Black smoke indicates running "rich" (using excessive fuel) sounds like an injector is sticking open. I would first run a strong fuel system cleaner through it. (Maybe even have a professional fuel system cleaning) Ques? When was last tune up? A dirty air filter would contribute, but not make alot of black smoke.

Mar 26, 2011 | 2001 Toyota Camry

2 Answers

I've changed the oxygen sensor and the O2 sensor and new plugs on my 97 dondge 3.9 van and it still blowen black smoke (rich) seems to run real good on top end but theres is a flat spot where theres no...


Black smoke indicates no air, check your air filter, if you have done that and it is ok, check the PCV valve. Thats about all that I can suggest. Hope that helps.

Dec 07, 2010 | 1996 Dodge Dakota

1 Answer

Chrysler grand voyeger has blue sh smoke coming out of exhaust using more fuel ???


Blue smoke is engine oil burning in the combustion chamber. White smoke would be coolant and black smoke is too much fuel. Try replacing the spark plugs to get better fuel mileage, they are most likely fouled due to oil burning.

Oct 13, 2010 | 2000 Chrysler Grand Voyager

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