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Amedee
Amedee, Former ASE Master Tech
Category: Car
Satisfied Customers: 24775
Experience:  ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector
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After driving it has a strong smell of gas then over night

Customer Question

After driving it has a strong smell of gas then over night it goes away ---replaced the gas cap 2009 LTZ malibu 2.4 L
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: yes it burn more gas that before
JA: Are you fixing your Malibu yourself? What have you tried so far?
Customer: Had a local run digos. on it said it was cap but smell came back
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: Car
Expert:  Amedee replied 1 month ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  Amedee replied 1 month ago.

Are you saying that the check engine light is on and there is a code in the computer for the evap system?

Do you know the code number by chance?

Customer: replied 1 month ago.
No the check engine is NOT on I dont have code--------
Expert:  Amedee replied 1 month ago.

Was there is gas cap code in the computer? What did the local shop say about the gas cap?

Customer: replied 1 month ago.
He replaced the gas cap
Expert:  Amedee replied 1 month ago.

Ok, got it. Thank you for that information.

It sounds like there is an evap leak. This is not a liquid leak, but a fuel vapor leak and that is why you are smelling fuel. This is coming from a component from the evaporative emissions system. Charcoal canister, vent solenoid, purge solenoid or evap hose/line. The fix is to get the evap system smoked checked for leaks to find the component that is leaking and then replace it. That is your best bet as it is hard to find a leaking component without a smoke machine.

Expert:  Amedee replied 1 month ago.

I am glad I can help!

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