Burning plastic smell
I bought a 2011 Patriot last year in May, and we're finally on our first real road trip. The Patriot still has under 10,000 miles. Recently, while driving from Parowan to Brian Head, Utah, I noticed a strange burning plastic smell coming from somewhere. The road there is a steep uphill stretch, so the engine was working pretty hard. But there was no overheating, and the Patriot performed like a champ. The only problem was a this strange odor. I checked under the hood, but I didn't notice anything obviously wrong. The only thing I could think of was perhaps the plastic cover over the engine was just getting too hot? Has anyone else noticed this? Is it something I should be concerned with?
It may also just be the fact that its brand new stuff, plastic included, in the engine bay getting hot for a very long time. You said this was your first real road trip. When you kick new floor/ceiling heaters on the first time, they smell like burnt plastic and/or metal for a bit too. It may go away on its own. Keep an eye on it, but don't worry too much. If you have the time, have a $tealership check it over, just in case. It should be under warranty still.
2012 Jeep Compass Sport 4x4
2.4L I4, CVT II, Freedom Drive I
2010 Dodge Dakota Quad Cab 4x4
4.7L V8, 545RFE, Big Horn Edition
The Necessary Evil
Just keep in mind that it may not be you but somebody else that traveled by a while before you. Odors stick around for a while like burn electrical, hot brakes, burnt oil, etc. Those odors can get trapped in the cabin air filter and that doesn't help either.
Originally Posted by Gramps View Post
I think Jasonwe is right that it's just new plastic getting heated up for the first time causing the odor. I'll be back in San Diego on Wednesday. I'll take it by the dealer to have it checked out to be sure that nothing is wrong. Yes, it's still under warranty.
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