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#1
10-01-2007, 12:10 PM
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Weird Smell from engine
I have a 05’ GP with a little less than 30k miles. Within the last month I’ve notice a strange odor coming from the car whenever it would run for a while, especially coming off the freeway, that’s when the odor is at its worst. Not exactly sure how to describe the smell, but does not seem to be a burning gas or oil smell. I plan on taking it in, but I would like to have an ideal of what could be the cause of this odor before I do.
Thank you. 
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#2
10-01-2007, 01:33 PM
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Re: Weird Smell from engine
Doe it smell like "rotten eggs"? If so, could be a CAT problem. If its a sweet smell, you might have a minor coolant leak somewhere. Can you smell it after you park the car?
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#4
10-01-2007, 06:07 PM
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Re: Weird Smell from engine
Sounds like a Cat issue to me! Probably partically blocked or overheating for one reason or another. Covered by the 80K emissions warranty so let the dealer handle it.
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#5
10-02-2007, 01:48 PM
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Re: Weird Smell from engine
A bad brake hose or stuck caliper can produce a burning smell, and this is usually accompanied by a particularly hot wheel, so that's something else you can check.
__________________
Current Grand Prix 2008 GP - 174,000 Former Grand Prix's 1994 GP SE - 231,000 1997 GP GT - 134,000 1998 GP GT - 225,000 2002 GP GT - 222,000
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#6
10-04-2007, 12:52 PM
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Re: Weird Smell from engine
i bet ya its the coolent. My car did that to, it had a nasty burnt smell and when you pop the hood you could see the steam where the coolent was leaking out and being burnt up by the block of the engine
__________________
2003 Pontiac Grand Prix GT 3800 Series II V6
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