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CAR SMOKING W/HEAT ON BUT CAR NOT OVERHEATING


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MzVA25
New User

Jan 16, 2013, 5:18 PM

Post #1 of 5 (7317 views)
CAR SMOKING W/HEAT ON BUT CAR NOT OVERHEATING Sign In

1999 Nissan Sentra approx 170,xxx miles engine size:Unknown

I have a 99 Nissan Sentra. I noticed that for the past few days, everytime I turn the heat on, theres this burning smell. Well today the car started lightly smoking under the hood. The smoke was a whitish color, not like a thick dark smoke. And theres this burning smell still. But Im almost sure it only happens when I turn the heat on. Like I had the heat on for about 5 mins on real low and then I noticed the smoke. Today was the first day smoking though. At first I would only smell this burnt smell. Even after I turned the heat off, it still was smoking a little bit and smelled really burnt. What could this be?
I havent tried any solutions yet becuase Im unaware of what might be wrong.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 16, 2013, 5:37 PM

Post #2 of 5 (7305 views)
Re: CAR SMOKING W/HEAT ON BUT CAR NOT OVERHEATING Sign In

It sounds like you may have an oil leak dripping onto hot exhaust. The only reason you smell it when the heater is turned on is because you start drawing outside air into the cabin.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



MzVA25
New User

Jan 16, 2013, 5:40 PM

Post #3 of 5 (7299 views)
Re: CAR SMOKING W/HEAT ON BUT CAR NOT OVERHEATING Sign In

Is the smoking normal though? Im scared to drive it because Im scared it might catch on fire. And if that is the problem then how do I correct it?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 16, 2013, 5:43 PM

Post #4 of 5 (7292 views)
Re: CAR SMOKING W/HEAT ON BUT CAR NOT OVERHEATING Sign In

Of course it's not normal and not acceptable to drive that way either. I only offered a possibility. Nobody is going to really know what is going on until you have it inspected.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



MzVA25
New User

Jan 16, 2013, 5:52 PM

Post #5 of 5 (7284 views)
Re: CAR SMOKING W/HEAT ON BUT CAR NOT OVERHEATING Sign In

Thank you






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