Question about 2001 Toyota Avalon

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Fumes enter when outside vents are open. Toyota could not find problem.

I have to keep outside air closed off to prevent fumes from entering inside car. Makes breathing difficulty and sick feeling. Need help!!!

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  • 16 Answers

Probably exaust manifold gasket leak or the doughnut gasket between manifold and exaust pipe is bad.

Posted on Mar 19, 2014

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Posted on Jan 02, 2017

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SOURCE: i can smell the fuel fumes inside the car when running even when the windows and doors are closed

evap system has a leak in it . dont worry its not raw fuel its only vapors.

Posted on Oct 08, 2008

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SOURCE: 2009 Corolla defroster

get a small motor bike or scooter and wizz through the traffic jams

Posted on Jun 30, 2009

  • 163 Answers

SOURCE: Toyota Corolla 2008 with 9000

they need to check under your back seat and see if the seal is still working your gas tank sending unit is under your back seat .toyota needs to do this for you

Posted on Jan 14, 2010

  • 10 Answers

SOURCE: hi my toyota cressida 1984

Hi First check that all the grommets under the vehicle is still in place, then check that the exhaust is not leaking anywhere. You can also check the boot rubber and the alignment of the boot.

Posted on Nov 19, 2010

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Air vent schematic

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thank you peugeot 307 ,right look under air filter and their is a pipe from rocker cover going into air filter ,now i cannot remember every car i work on and iam a old dinasaur so memory is lacking but it could be a box on side of engine ,anyway their will be a pipe somewhere from air filter to wherever ,this pipe is soft /split/not connected whatever the problem is this is your source of fumes if your not sure what to do ask a local mechanic to have a look for you

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Boat gas can vent open or closed

If you are talking about the air bleed screw on the tank cap it should be open when the motor is running and close when it is not. This allows the tank to vent when you are travelling and when you are not prevents petrol fumes for becoming a problem in the bottom of the boat.

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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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What is the function of a vent valve

Since EPA regulations say a car can't let gas fumes into the air the vent valve opens to let air enter the fuel tank so it won't collapse when the fuel is removed to run the engine. It closes when there is pressure above atmospheric pressure so the gas fumes can't come out

Nov 29, 2013 | 2000 Hyundai Elantra

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My 1994 dodge caravan has a slight exhaust smell inside the car while running. any ideas?

Three things come to mind. You may have an exhaust system leak. Or, the rear hatch is not closing good, or not sealing properly, allowing exhaust fumes to enter the rear compartment. If you drive with the rear windows open, the exhaust fumes will be drawn into the vehicle while the vehicle is moving. Just some ideas on where to look for the source of the fumes. Don't take the problem lightly. The fumes can be deadly, or at the very least, make you ill.

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I gotta 1997 toyota avalon its running rough i ran a scanner it threw two codes po441 an po402. i need help figuring out wat these codes are

Hi there osborne_shay,

Those codes refer to a problem with the drive train in your Avalon. Here is what the codes mean.

PO441-Evaporated Emission Control System / Incorrect Purge Flow
PO402-Excessive gas flow through the EGR valve

The cause for these issues are either that the components are faulty or they just need to be cleaned.

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1 Answer

Oil in air filter wot causes this car in qustion is a jag xj8

This issue is caused by crankcase pressure issue.
Normally filtered air enters the engine, runs through the crank case and then is pulled into the intake through the PCV valve. Durning hard acceleration, the PCV valve closes (to prevent explosion of fumes in crank case and blowing valve covers and pan off) and the PCV system reverses, with fumes coming back through the filtered intake.

Usually there is minimal oil that gets back into the air cleaner.

So, when somthing goes wrong, like excessive blow by, for example, the crankcase pressure overcomes the PCV valve and intake of fumes capability, and oily starts showing up in the air filter.

Investigate the crankcase pressure and PCV system.

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1 Answer

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If you have petrol smelling inside the car you probably have an open area of the car's body that permits outside air to enter. is the smell greater in the front or back? This is not easy to fix as you have to locate exactly from where the leak comes from by smelling and following to the source. In the engine compartment there is a small filter that vents fumes from the tank to prevent explosion of the tank due to increase in pressure as the car moves. At the tank section that might be a broken vent hose.

Nov 29, 2009 | 1992 Toyota Corolla

1 Answer

HVAC vent selector does not function. Air flow is

THe blend door seems to be stuck. When you change settings from defrost to floor air or, vent, the blend door opens and closes directing the air to the place you want it to go to. I have had some success spraying a lubricating oil such as WD40 under the dash on the blend door. You need to get under the dash with a flashlight to locate it. It looks like a flap. Spray it with a couple of shots of the WD40. Go easy on the spraying as you may be inhaling the fumes. Keep the doors and windows open to minimize the fumes. Wait about 1/2 hour and try the A/C functions. (defrost, floor, vent air)

Mar 09, 2009 | 2002 Buick Rendezvous

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