Why does my 2005 toyota sienna smell like gas fumes are coming in when heat is turned on and im at a stop or idle?

Asked by Sep 09, 2017 at 08:25 PM about the 2005 Toyota Sienna XLE Limited

Question type: Maintenance & Repair

My 2005 toyota sienna seems to have a gas smell
at idle or when stopped. Also when im in park and
car is running and hest is coming out my vents.
Dont see no leaks and im not losing gas any
wheres.

4 Answers

435

Probably one of the lines going to the tank isn't tight or is broken or something, on top of the tank; or, the tank filler neck got cracked or there is a pinhole leak somewhere. Check to see if there is any gasoline stains after is has sit for a while. That would indicate a larger and more noticeable leak. If you do not see one then it may be a crack along the top somewhere are small enough like a pinhole that it is not leaving a puddle or stains anywhere. Smell = Leak somewhere.

435

Since you said there is no puddling then it is probably on the top somewhere so the gas does not leak out.

Ok thank you been going crazy trying to figure out so check the top then of gas tank?

You can only smell it when i have my vents on though it dont smell out side of car

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