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Does anyone know wut that stink burning smell is when an older car full throttles the gas?? Or that black puff of smoke that comes out of the exhaust is? Well when i notice im going up a hill and i floor it i sometimes get this stink smell like somethins burning... wut is dat?? My dad said it something to do with the air/fuel mixture and the computer... but i dunno what you guys think?

 
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wut???

the black smoke means the engine is running rich. be thankful you don't have white or blue smoke. i'm not sure what you mean by 'stink burning' smell.

 
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mabye there's an animal in your engine bay

 
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mabye a mouse crawled up into your exhaust piping

 
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^ i can only imagine the smell of that

 
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lol crap...

 
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yes, sounds like it's running rich, and the stink burning smell is excessive hydrocarbon, you could be running too rich, or the cat died

 
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no, i still say there's a dead rodent in your exhaust......