Question about 2002 Pontiac Grand Am

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Exhaust fumes when heater is on

I have a 2002 grand am and i'm getting the smell of exhaust fumes when i have the heater on, anyone know why?

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  • Anonymous Dec 23, 2008

    no, the car is not loud

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I have a 04 cavalier with exhaust fumes coming from the heater when on . The exhaust is not loud. Winter is coming and I dont want to be gassed to death Can anybody help?

Posted on Oct 31, 2014

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Sounds exsaust leak some place close to air intake for your heater! is it loud?

Posted on Dec 23, 2008

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1 Answer

I smell exhaust fumes in the cabin. What could be causing this?


The most common cause is an exhaust leak in the engine compartment near the engine. The exhaust fumes are pulled into the passenger compartment thru the heater vents. Switching to Rec might cut off the intake of air from outside.

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When I come to a halt in traffic I get exhuast fume smell in the cabin


fuel injector washer needs replacing when this fault occurs somtime it is not apparent some times you get a noise remove plastic cover on top of engine start up and look for carbon build up around any of the fuel injectors also for exhaust gas leakage the fumes are pulled in to the cabin via heater ducts mainly when vehicle is at a standstill good look.

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The smell i'm having is not the raw gas smell , it smells exhaust fumes getting in the car. i checked for exhaust leaks buut had none


if inded the smell of exhaust is getting into your car i would suggest not driving it until it is properly checked by a licensed meachanic. it could be entering through your heater/AC blower and in return be fatal if left untouched for a period of time

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When I start my car, there is a very strong smell of exhaust fumes or maybe even gasoline in the car. It seems to lessen over time or maybe my sense of smell just adjusts to the smell. Any help with what...


the vehicle may need a service to ensure all fuel is being burned on ignition.
the exhaust may be broken under the car and exhaust fumes are being released.

I hope this was useful.

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Smell of burning wires or heat irratating my throat while driving with the heater on.What could this be from?


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Fumes escaping from ac vents inside vehicle while driving and leaves a film residue on inside of windshield whenever the heat or defrost are used.


Hello dedunwoodie.
Your heater core is beginning to leak coolant.
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It will need to be replaced to solve your problem.

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MPV 2002. Black particles come out from air vents


I get the feeling this is the first time you've used the heater? Its probably accumulated dust. As long as you don't get a burning smell or smell exhaust fumes you should be ok after a few hours use.

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I have a 2000 volvo S70 i smell fumes in side car when driving went to get exhaust checked no problem there what can the problem be?


What type of fumes are they exhaust or oil burning.
Exhaust ..Idle engine and put glove on hand put hand over the tail pipe and if engine stops in 20 seconds then the exhaust is good if it keeps running then its the exhaust is your problem..
2 if ex ok then its due to the breather pipe on the engine and it should go back into the inlet manifold to be reburnt but if its not fitted or rubber hose split or broken then thats what you can smell.
So check out under the bonnet and see if you can smell or see any smokey fumes or sucking noise.
Can you see smoke when you start engine.
Let me know ASAP Ron

Nov 23, 2009 | 2000 Volvo S70

1 Answer

Exhaust fumes in car when heater is running and car is at a stop.


Hi, What you have is a leak in the exhaust system. What you need to is take the vehicle to a repir shop (anyone that can weld) Drive the car up a ramp, and start it, you will see the fumes emitting from the hole in the exhaust and entering the heater ventilation system(thats how its getting in the car) simply weld the leak shut. Ps It can also be the exhaust manifold gasket that needs replacing, check for a leak first.

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