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Exhaust fumes coming in air vent

When the air intake is open exhaust fumes come into the car when the car is at a light.

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1042 Answers

SOURCE: exhaust fumes coming through heater vents

YOU HAVE AN EXHAUST LEAK ON THE FRONT END OF THE EXHAUST SYSTEM.GET THAT FIXED ASAP! THAT IS CARBON MONOXIDE!

Posted on Dec 14, 2008

  • 2427 Answers

SOURCE: 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.

Posted on Dec 16, 2008

  • 1 Answer

SOURCE: exhaust fume check light

Is the car juddery when you start?  The same light came on mine with power loss issues at higher revs and it was really juddery- it was the coil pack.  Was replaced at the garage (don't take it to the main dealer they WILL rip you off) in half an hour.

Posted on Feb 16, 2009

polarcycle
  • 1392 Answers

SOURCE: Fresh Air Intake - Chevy Venture

Sounds like you need to do a A/C deodorizing kit. May be able to find one at your local parts store. Or, run your A/C without your recirc, and hope the mildew gets off the EVAP core. It is possible you have a dead mouse in your heater box if it smells really bad.

Posted on Jul 25, 2009

  • 1 Answer

SOURCE: I have a 2000 Taurus SES. Check engine light came

sounds like a maf issue was it new?171/4 is usually uim vac leak

Posted on Oct 02, 2009

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1 Answer

Mazda 2008 mx5: I am getting engine fumes coming into the cabin via the cabin air intake.


There are a couple of things to consider...

First the cabin air intake is generally in a tray that once the engine compartment hood or bonnet is closed should be almost completely isolated from the engine compartment due to the rubber sealing strip and other rubber components. Perhaps some of these are missing or in poor condition. If heater intake water drains are fitted they should be self closing...

In good condition normal smells or fumes should not get past those seals.

The other consideration is where are the fumes coming from? Unless the engine has an exhaust or oil leak or a breather problem the amount of fumes generated to leak into the cabin, even if the sealing isn't in good order, should be minimal.

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air for the inside of the car comes from the vent at the base of the windscreen or is recirculated inside the car
if you see what appears to be mist, fog or smoke from the ac vents ,it is extra cold air from the ac system that is seen as fog when it hits the air in the car
you will know exhaust fumes by the smell

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You probably have an exhaust leak up by the exhaust manifold or catalytic converter that is releasing fumes to the engine compartment which makes it's way into your "fresh air" intake for your climate control.

Find that leak for your own safety

Mar 04, 2015 | Cars & Trucks

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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I have a 2010 Chevy Equinox. The air vents in the vehicle all work except for the drivers side right vent ( to the left of the radio and to the right of the driver ). All vents were working but it seems as...


The exhaust inside the car would suggest the vents in question have fallen apart somewhere in the dash between the engine compartment and the interior allowing fumes to enter the cabin. Get that checked at a garage right away. Very dangerous to breath exhaust fumes.

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1 Answer

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Could be a leaking gasket where the pipe or manifold connects to the engine. The fumes would come in thru the vents.

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On the dash there is a switch/lever that allows you to select fresh outside air or recirculate the air in the cab. Any smell may be coming in the freash air position which would allow smelly air from the engine to come into the car. Check for broken flexible exhaust piece or leaking gaskets around the cat converter to start with or a hole in the exhaust pipe inself

Jan 26, 2013 | 2000 Toyota Sienna

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Engine light is on autozone evaluation says where is this found and can it be fixed at home?vent valve sylinoid curcuit


Yes you have vent valve and a purge valve its part of what is called your EVAP system. what it dos;e is simply tranfure gas fumes that come from the gas tank and then are stored in a charcoal canster.The vent valve opens and close;sto allow gas fumes to go to the canster then the purge valve also opens and cloese;s to let the fumes from the canster go into the engine to be burned The vent valve is around the gas tank and charcoal canster and the purge vavle it on the intake manifold Iwould check bolth it could be there clogged or stuck But there not that expensive and not hard to replace

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2 Answers

Exhaust fumes when heater is on


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

Dec 23, 2008 | 2002 Pontiac Grand Am

1 Answer

Exhaust fumes coming through heater vents


YOU HAVE AN EXHAUST LEAK ON THE FRONT END OF THE EXHAUST SYSTEM.GET THAT FIXED ASAP! THAT IS CARBON MONOXIDE!

Dec 14, 2008 | 2001 Ford Taurus

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