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George H.
George H., ASE Certified Technician
Category: Car
Satisfied Customers: 18768
Experience:  ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist
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huyndai sonata: gas leak and gas smell from left rear of car.

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gas leak and gas smell from left rear of car. is there a filter there that needs to be changed??

Hello I will help you with your question,


If you still have the hose off the canister the valve on top of the fuel tank is supposed to only allow gas vapor out but keep liquid fuel in. If you are overfilling the tank then you will get liquid fuel out the hose you disconnected.


So a two pronged approach to this, first when the pump turns off do not try to round up or add any more to the tank. If you are not doing this the tank needs to be lowered and the rollover valve on the tank replaced. In either case the canister needs to be replaced so the system can be closed.


Let me know how I can help you with this


If you would like any additional information or have more questions please don't hesitate to ask!

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Thank you



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