Question about 2004 Toyota RAV4

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I have a Toyota Fortuner 2.5 D4-D thats issuing excessive white/blue smoke when accelerating but is fine when idling.I've changed the engine oil (use synthetic), made sure no oil leakages, cleaned

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  • 7 Answers

There is nothing wrong with your car, the color of the smoke is a sign of good combustion.

Posted on Aug 09, 2017

  • 1 more comment 
  • Uwagboe Aug 09, 2017

    There is nothing wrong with your car, the color of the smoke is a sign of good combustion.

  • Uwagboe Aug 09, 2017

    There is nothing wrong with your car, the color of the smoke is a sign of good combustion.

  • Uwagboe Aug 09, 2017

    There is nothing wrong with your car, the color of the smoke is a sign of good combustion.

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Posted on Jan 02, 2017

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SOURCE: 1993 TOYOTA TERCEL 1500cc Valve Seals Replaced now smokes much worse

You either have had the wrong valve seals installed, they are physically missing, or the valves are incorrect (too loose in the guides/stem too thin). The rocker arm seals will not contribute to your issue. If it did not have the oil smoke before you took the head off, the issue is with whatever the machine shop did. Valve seals have to fit TIGHT, or oil will go down the valve stem into the intake.
Take the head back to the machine shop & tell them to fix it. For free.

Posted on Sep 27, 2008

  • 1 Answer

SOURCE: toyota hilux surf problem

hi there, i had exactly the same problem with mine. all i did was to turn up the diesel pump a little. cheers d

Posted on Mar 02, 2009

  • 19 Answers

SOURCE: 86 toyota corolla, dies at stoplights and idles rogh

well you could try to get a vacuum gauge and see if your car reads what it supposed to and if you buy one it could tell you what it could be.

Posted on May 21, 2009

  • 1 Answer

SOURCE: newly overhauled toyota corolla 2e engine emits black smoke

I have toyota corona 3s engine it smokes black and fuel consuption is high we have changed the engine oil and cylinderhead gassecate but still black smoke is comming what should i do

Posted on Mar 29, 2010

  • 4793 Answers

SOURCE: d4d smoking

try wynns/redexe to clean injectors/lines,they do seem to smoke a lot though....

Posted on May 02, 2010

Testimonial: "Thanks, yes, I thought common rail should be low emmisions, less particulate!?, but I'm not sure."

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When starting toyota fortuner 3.0 liter blowing blue smoke what is causing this


It is oil smoke. The most common causes are worn valve guide seals, a faulty PCV valve, or, worn or broken oil control rings on the pistons. Only 1 or 2 cylinders need be at fault.

Check the PCV valve for fouling. Have a compression test done. If readings are low or irregular, pour a few ccs of engine oil into the suspect cylinders thru the plug holes. If compression readings then improve, it is probably the rings at fault.

Less common causes are worn big end bearings spraying excessive oil up the cylinder walls, or a leak from the head gasket, oil to cylinder.

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My mazda 626 has a strong potent smell coming from the exhaust


You don't mention what that smell is reminiscent of?

You don't mention the colour of the "smoke" and you didn't say whether the engine is petrol or diesel?

You don't mention whether the road behaviour/performance is normal?

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.

Some steam is fairly normal until the engine and exhaust system is hot but excessive amounts could be one symptom of head gasket trouble. If the engine is drinking coolant and sending it through the exhaust as steam it will sometimes smell spicy.

Burning oil smells a bit like burned eggs in the frying pan.

If the car hasn't ultra-low sulphur oil and fuel the catalytic converter will convert sulphur traces into hydrogen sulphide - the bad egg gas...

Sep 27, 2017 | 1998 Mazda 626

1 Answer

Blue smoke after accelerating


this sounds like you rings or valve seals are leaking into the cylinder the smoking for a time is the oil burning off check your oil to see if it's getting low this will confirm if these might be the issues

Jul 13, 2012 | 2005 Toyota Prius

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94 Toyota Corolla engine problems


Take a compression test on # 4. It may be a little oil burning w coolant getting by the head gasket. POSSIBLE faulty injector or not firing on time. Ck for any oil in the anti freeze or anti freeze in the oil.

Mar 04, 2017 | 1994 Toyota Corolla

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Problems staring will idle only. When accelerator depressed engine cuts out blue smoke from exhaust


It sounds like you have a blown cylinder head gasket, have it checked for that 1st.

Oct 30, 2017 | Toyota 4Runner Cars & Trucks

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My engine management light keeps coming on on my Rav4 (2001) I have had 2 sensors changed - and a new cat - but the fault codes keep saying it is the cat - please help!


The ECU is reporting the cat error code because the O2 sensor(s) outputs are telling it so. This MIGHT be the O2 sensor(s). You say two sensors have been changed, If these were the O2 sensors, then there is another engine issue to fixed.

The usual reason is that the engine is passing excess hydrocarbons into the exhaust, typically because its burning oil due to exhaust valve guide wear or/and worn valve stem seals. For a 2001, you've probably done around 200,000 km, so valve guide wear is likely. A head recondition is the only cure if this is the case. If you see blue smoke on starting, that's burning oil.

Related issue is worn piston rings: also causes excessive oil consumption.

Another problem is leaking (ie dirty) injectors. Most garages can clean them.

Another problem is the engine is running too lean. This can be caused by a dirty air cleaner or any number of other issues.

SD

Sep 16, 2011 | 2004 Toyota RAV4

2 Answers

BLUE SMOKE FROM AUDI RS6 ON DE ACCELERATION AND START UP THINK OIL STEM SEALS ARE LETTING OIL THROUGH. CAR RUNS FINE I THINK, AND EXCESSIVE BUILD UP OF OIL IN DRIVER SIDE TURBO PIPE, 62000 MILES WITH A...


General rules of thumb: Low speed engine on acceleration with smoke in the exhaust plume = worn piston rings High speed engine accelerating (spooled up turbo) with smoke = oil form turbo bearing and/or piston rings Engine on over run (coasting down, foot off the gas) with smoke = oil from valve guides. VW/Audi make good engines with tight tolerances so none of the above should apply at 62K miles; just make sure that the oil (the right oil) and oil filter are changed regularly.

Feb 04, 2011 | 2004 Audi RS6

1 Answer

Have excessive blue or white smoke from exhaust when truck is started after sitting for a few hours 2005 f250 6.0 ehgine


Hi,
is it a diesel or gas engine?
Usually excessive blue smoke on start up indicates oil is getting into the combustion chamber. It could be piston rings or valve seals.
Quick check, drive it within operating range and speed. Either use the rear view mirror or get someone to drive it and you follow in another vehicle. Accelerate, then take your foot of the accelerator. Blue smoke under acceleration indicates piston rings / pistons. Blue smoke on deceleration or the "over-run" indicates worn valve guides / seals.

White smoke can indicate coolant in the combustion chambers / leaking cyl head gskt, or incorrect fueling. If brake fluid gets into the combustion chamber it will generate a lot of white smoke from the exhaust. However, that would entail a leaking brake master cyl and a leaking brake booster.

Good luck.

Jan 27, 2011 | Ford F-250 Cars & Trucks

3 Answers

Hi, I own a 3.0 d4d toyota fortuner (same engine as 3.0 d4d hilux) and as of yesterday it started belching white smoke. it starts and idles perfectly fine, the exhaust just smells off. not like unburnt...


White smoke on diesel engines, means water in combustion chamber. Blue smoke means oil.
In what condition was the filter you removed? How bad? Temperature issues? Missing coolant maybe? If yes, you might as well have an internal leak. Some gasket maybe. Check all you vital fluids levels. If anything missing, take the time to empty the engine oil on a can, and check the colour. If it will look like chocolate brown, then you do have a leak from the inside.

Sep 08, 2010 | Toyota Pickup Cars & Trucks

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