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Burning plastic...

My cars been smelling like burning plastic a few times after I drive. I just went up the road to put gas and when I shut the vehicle off it

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Old 03-30-2015, 12:15 AM   #1 (permalink)
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Default Burning plastic...

My cars been smelling like burning plastic a few times after I drive. I just went up the road to put gas and when I shut the vehicle off it smelt like it. I wasn't even driving the car hard and I haven't done any electrical work so I'm having trouble pin-pointing the source. Any advice?


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Old 03-30-2015, 12:16 AM   #2 (permalink)
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I'd also like to note that I haven't observed any white smoke from any where inside/outside the vehicle.


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Old 03-30-2015, 06:31 AM   #3 (permalink)
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Might just be a plastic bag that melted to the exhaust.
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Old 03-30-2015, 07:03 AM   #4 (permalink)
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I've checking for anything....they replaced a manifold and the y pipe a month or 2 ago...factor?


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Old 03-30-2015, 12:07 PM   #5 (permalink)
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Clutch?
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Old 03-30-2015, 01:27 PM   #6 (permalink)
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Had the tranny pulled and all that inspected to. Only thing I haven't checked is the heater core.


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Old 03-30-2015, 03:34 PM   #7 (permalink)
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Its that new pipe burn smell.....
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Old 03-30-2015, 03:42 PM   #8 (permalink)
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some gaskets smoke a little bit during break-in, but not sure about a plastic smell...
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Old 03-30-2015, 03:51 PM   #9 (permalink)
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It sounds like you've had a lot of work done on the car recently... that means everything from a plastic bag that got under there, to a seeping gasket, to somebody dropped a plastic clip that managed to get lodged somewhere could be the cause.

You may want to get the car on a lift and inspect everything to see if you can find evidence of something burning to pin point it.

Good luck -- hopefully something very minor.
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Old 03-30-2015, 04:33 PM   #10 (permalink)
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How would I test for a leaking gasket?


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Old 03-30-2015, 04:50 PM   #11 (permalink)
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id just go under the car while it's running and visually check or listen..
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Old 03-30-2015, 05:42 PM   #12 (permalink)
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id just go under the car while it's running and visually check or listen..
Preferably when it's not moving...
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Old 03-30-2015, 06:39 PM   #13 (permalink)
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Might just be a plastic bag that melted to the exhaust.
I was about to mention that. It happened to me a few years ago. I picked up a trash bag from the highway and it melted all the way around the exhaust. As I parked my vehicle in the garage I could smell something odd and not so pleasant. The very next day I checked underneath and there it was... plastic melted all over the H-pipe area. I just kept driving it until it all burned off.
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Old 03-30-2015, 06:53 PM   #14 (permalink)
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Quote:
Originally Posted by MR.nismo View Post
I was about to mention that. It happened to me a few years ago. I picked up a trash bag from the highway and it melted all the way around the exhaust. As I parked my vehicle in the garage I could smell something odd and not so pleasant. The very next day I checked underneath and there it was... plastic melted all over the H-pipe area. I just kept driving it until it all burned off.
happened to me too just recently, smelled burning plastic and found out it was a plastic bag
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Old 03-30-2015, 07:00 PM   #15 (permalink)
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Preferably when it's not moving...
yes, that would be a logical choice.
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