Question about 2001 Cadillac DeVille

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Strong smell of engine coolant - 2001 Cadillac DeVille

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Could be a number of things... if it's strong inside car (almost sweet smelling) check passenger side carpet - could be heater core leak. It it's outside check all hoses, & waterpump (lower front center)

Posted on Mar 23, 2011

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Why is a very strong gas smell coming from my tailpipe?


White smoke is water vapor and in this cold climate it is normal. Strong gas smell is not normal although you may smell some while engine is warming up. Bad cat converter can produce smells, but usually more like rotten eggs. If engine is running rough and seems rich, check coolant temp sensor. Bad converter can cause stalling too. Otherwise, idle speed is controlled by idle air contol motor which can get dirty and stick. Any codes set?

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You need to find out exactly where it is leaking out at. If you get that coolant on wires, it can cause all kinds of problems. Check your belt and make sure there is no tears and that it is not sticking. You might have a pulley sticking or something. Raise the hood and start your car, Make sure the belt is acting normal.

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The white smoke is from anti freeze. The smell of gas in your oil is probably from the same cause. I do beleive you did not clean the milled ares good enough before installing one or both of your gaskets. Just in case you did loosen one of the head bolts up for any reason....One bolt I do beleive on the right front bank of this engine has to be also sealed before re enstalling it for coolant will pass through it if not sealed

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Car Heater smells strange


from he Popular Mechanics site if the smell in your car is like maple syrup:


(1) SMELLS LIKE: MAPLE SYRUP
WHEN: After the engine has warmed or possibly even after it's shut off for a few minutes.
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