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Rattling engine and lots ov exhaust smoke - 1991 Peugeot 405

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Blown head gasket, spun rod bearings, broken piston ring

Posted on Feb 04, 2010

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05 Nissan Altima 4.2l replaced valve cover, gasket, and spark plugs looks fine with no leaks and engine runs fine,now I have lots of white smoke at start up which goes away once engine is warm.


White smoke indicates water going through your engine or condensation in your exhaust. If it is a lot of smoke you probably have a small leak in your head gasket that seals back up as the engine warms and the materials expand. It will get worse as time goes on. If it's just a little smoke that doesn't last long it's probably condensation in your exhaust, especially if it's cold outside. Condensation is caused by the air cooling down in your exhaust after you shut down the engine.

Feb 15, 2017 | 2005 Nissan Altima

2 Answers

Have a 2006 titan; noticed excess condensation and some white smoke after it was warm; also went I accelerate it sounds like a "metal rattle"(?) doesn't make that sound when at an idle...any suggestions?...


The condensation and white smoke could just be excess moisture that can build up in the muffler when the vehicles isn't used for a while or has been doing only short runs (less than 25-30 miles).. Keep an eye on the coolant level, and if it stays good then there isn't much to worry form that. As far as the "metal rattle" on acceleration, this could be what is known as "octane ping". It means that the engine is knocking a bit from fuel that isn't giving it enough octane. Cheap gas and occasional blending errors can cause this. Try running a tankful of mid-grade fuel next time. IF the noise goes away, you've found the culprit. Octane ping doesn't really hurt the engine, but it is annoying. You may be able to still use regular grade fuel, but might have to change the brand to find one that the truck likes better.

Mar 22, 2015 | 2006 Nissan Titan

2 Answers

Why is my 2000 kia sephia blowing blue smoke from the tailpipe. it has 86,000 miles. the check oil warning light is on even though the dipstick reads full.


The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. This is most frequently seen in older or high mileage cars with worn seals and gaskets. It only requires a very small amount of oil leaking into the cylinders to cause excessive blue exhaust smoke.

Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.

Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be indicators that the blue exhaust smoke is caused by an internal engine oil leak. Internal engine oil leaks can also allow fuel to mix with the oil in the crankcase which will degrade the oil and prevent it from adequately protecting the engine.

Operating a car with a severely dirty oil filter, air filter or improperly functioning PCV valve can also sometimes result in engine oil blow-by, oil loss and blue exhaust smoke. Periodically checking the engine oil level with the oil dip stick will indicate if there is excessive oil consumption. Higher viscosity engine oil can sometimes temporarily reduce the amount of blow-by; however, this is not generally recommended. Excessive blue exhaust smoke indicates a possible internal engine oil leak that should be inspected by an ASE certified mechanic.

Dec 08, 2014 | 2000 Kia Sephia

1 Answer

Lost power smoke exhaust


If it is a 6 cylinder inline then catalyst is plugging up a easy test would be to remove a oxygen sensor and see if power returns to normal. V-8 models have 2 types of manifolds plastic and metal the metal ones have a plate bolted to the bottom which the gasket splits and sucks in engine oil causing all sorts of drive ability issues the plastic versions more trouble free but PCV ventilation system can cause smoking

Mar 21, 2014 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Overfilled the engine with oil now car is smoking and engine is rattling and very noisey why?


If you think you put in too much oil, and you see a lot of foam on the dipstick after-wards and also if you notice lots of smoke coming out of the exhaust ,then you may have to drain some of the oil out. Also if you overfill your engine with oil then it blows the crank case oil seal and it builds up a lot of Odd Pressure and this is not good for the car engine. Due to too much oil:---- High pressure may develop in the crankcase from having too much oil in the engine and can lead to oil leakage, as well as premature engine wear and damages. Just get it drained ASAP. Thanks. you can rate this solution and show your appreciation.

May 20, 2010 | 1994 Ford Ranger Supercab

1 Answer

1.9 dci no power and bluey grey smoke is coming from the exhaust


There are indeed traces of oil coming out of the exhaust. Blue smoke is burning oil. Grey or white smoke is usually coolant/water going through the engine. This can be caused by leaking head gaskets, valve guides depending on the engine, excessive blow-by, etc. Large amounts of oil are not good; and water is even worse. I would look at getting the head gasket replaced. The loss of power is because neither oil or water likes to burn, and once your engine clears it out, it probably runs ok for the rest of the day. Then I'm guessing the next morning, it comes back. This is an urgent fix, because prolonged leakage can damage the engine block, head, or both.

Oct 19, 2009 | Renault Sport Cars & Trucks

1 Answer

No power noisy engine smokey exhaust


Clean air filter, fuel filter and turbo filter. Check the inlet and outlet manifolds incl. EGR valve and Turbo gate. If there is particle filter then may be it is clogged. If its a diesel then open the injectors and clean it.

Oct 11, 2009 | 2005 Peugeot 405

1 Answer

White smoke from Exhaust


hardly likely the exhaust job would cause that, but yes it sounds like you got a blown head gasket. badl lock stricks hmm! also preasure test cylinder head for leaks

Jul 22, 2009 | 2005 Renault R5

1 Answer

Renault megane diesel black smoke


This could be as simple as the EGR (exhaust gas recycling) valve stuck open. This valve is supposed to open at a specific time, recycling the exhaust gasses back through the engine. If they stick open, the engine is not getting the correct air mixture to burn the fuel efficently, causing black smoke and lack of power. Have the garage remove and blank off this valve. If it runs ok, then a new EGR is needed.

TL

Dec 31, 2008 | 2004 Renault Sportwagon

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