Question about 2003 Volvo XC90

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White smoke from exhaust and the smell of eggs

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  • blueextc3221
    blueextc3221 May 11, 2010

    This is excess gas burning in the cat convertor.

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  • 154 Answers

Thats the 02 sensor maybe, or the gas mix is too lean

Posted on Aug 02, 2009

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1 Answer

05 outback code er55 car misses and smokes black exhaust smells like eggs what is wrong


black smoke indicates that it is over fuelling, probably from a faulty injector
the eggs smell is hydrogen sulphide ( rotten egg gas) and is the cat converter doing its job ( same as new car exhaust smell)

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Have a rotten egg smell with no catylatic converter lots of smoke out the exhaust


smoke usually means the piston rings are bad...try an additive to slow down the smoke if possible...

Jun 02, 2015 | Cars & Trucks

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White smoke from exhaust and rotten egg smell then engine dies


Are you the Joe Thomas from the Cleveland Browns. I think your right the crank sensor lets it start then it dies a few minutes later. My blazer did this and i replaced the crank sensor and i ran fine again.

Apr 18, 2014 | 2003 Chevrolet Blazer

1 Answer

White smoke from BMW 740i exhaust


white were? the exhaust tip, or other spot, long pipe, name spot?
white, is steam or OIL.
oil smells like burnt oil and takes for ever to dispate
steam is water, and smells , sweet due to 50% glycol inside.
and goes away fast.
but all Gas engines make water at all the time running as a by product of combustion and for sure on cold days, some times full time cold
due to climate effects.
does your neighbors car smoke at same time, (look)
bingo , dew point.

all gas engine smoke cold started, (steam)

so first find out what it is,
take the dip stick out of a hot engine. stalled, drip it on the exhaust
see that smoke ,smell it? that is burning oil
now you know what you have, steam or oil. smoke.

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Toyota Caldina 1999, too smoke from exhaust


if it is diesel and you have black smoke you need fuel injectors either serviced or replaced also you must check the engine valves clearance. If your smoke is blue white smelling unburned fuel renew injectors.If it is blue white smelling oil and diesel then you will have piston rings and valve steam seals.

Aug 26, 2012 | Cars & Trucks

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Issues with 99 Chevy Blazer LS


check the exhaust manifold possible gasket,check flange gasket or check exhaust system for damage --cat converter smells like rotten eggs or if plugs up stalls vehicle and wont let start-----

Feb 13, 2010 | 1999 Chevrolet Blazer

1 Answer

Car died rotton egg smell


Not sure if engine coolant smells like rotten egs when it burns inside the cylinders , but it sounds like you may have blown a head gasket. Coolant and/or oil could be getting inside combustion chamber. Another possibility is that the catyletic converter might have broken up and colapsed onto the screen where it goes into the exhaust. Might give the rotten egg smell and block the exhaust enough to cause backpressure sufficient to cause the engine to run poorly too.
Try putting your palm over the exhaust pipe , if the exhaust is coming out in pulses (pop ,pop,pop) thats normal , if it is just slowly flowing out with no noticable pulses , I would check into the cat converter problem.

May 07, 2009 | 1997 Buick Riviera

1 Answer

Engine shutdown.....


OK, fast! Check the exhaust for rotten egg smell and pressure. Exhaust should stop immediately when engine is turn ed off

Apr 12, 2009 | 1993 Buick Century

1 Answer

White smoke and smell of eggs


White smoke in the exhaust, more so on a cold start. That's steam. Water is getting into the combustion chamber. Most likely coolant.
Put your hand in the white smoke to capture the odor. (don't burn yourself)
What does your hand smell like? Coolant (anti-freeze & water) smells sweet.
Likeliest cause = head gasket. Possible = cracked head - depending on how hot it got. Less likely = cracked intake manifold.
Maybe a blown head gasket 

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