Question about 2005 Pontiac G6

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Fuel smell near the fuel tank

I have a 2005 Pontiac G6 that has a strong Fuel odor near the back of the car. I have checked and there does not appear to be any leak. There is no check engine light. The car runs fine and no drop in Fuel Milage. I have been told that it could be a saturated Evap canister, a purge valve that is stuck closed or a bad fuel pressure regulator. What do you think may be the problem? Also, where is the Evap canister and the fuel pressure regulator located?

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  • Clinton D. Burnett Aug 28, 2012

    I have a 2005 G6 which had a fuel leak on a plastic elblow built onto the fuel pump . The complete part had to be replaced even though it worked fine. I say this is a defective $500 plus part fom manufacture and they need to warn people about the gas tank leak under the passenger seat. Common problem on 2007 models as noted on internet..



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You may have an overloaded carbon cannister, the carbon cannister stores fuel vapors and is part of the evaporative emission control system, I will be willing to bet if you change it the smell will stop.

Posted on May 28, 2009


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There is a strong odor of gas coming from my 2008 Pontiac G6 do you know if there is a recall

Here is a full list of your recalls.

However, y9ur gas smell could be a cracked fuel filter, or cracked full line, or loose injector port. Get it looked at if you do not know how to check these things. The heat of your engine mixed with a fuel leak is a bad combination

Feb 12, 2015 | 2008 Pontiac G6

1 Answer

Fuel leak

check under the hood for any leaks from the fuel line, which comes up in front of the firewall and then turns back toward the engine. from the rear.
This could be a vacuum line leaking to the exhaust canister, it could be a leak near the fuel tank or filler coming from a vapor recovery line that goes to the engine compartment. Check the trunk to see if it has that smell. If so, check for a vacuum line under the car and see if it is unhooked and/or cracked. (does the smell get worse after you've filled the tank?) If so, this may be the culprit.
Replace these lines as necessary.

Good luck.

May 14, 2013 | 2005 Pontiac G6

1 Answer

I have a 2005 chevy malibu maxx v6. car runs great, no hesitation or stalling, however a intensly strong odor of gasoline suddenly began about 3 wks ago, and is gettin stronger by the day! it Can be...

No service engine light? A loose gas cap will set a light.
You may want to inspect your fuel filler neck and anything close. For a long while its not uncommon for a person to report the fuel odor issue and have it be where some low life cut a filler neck or puntured a tank to steal fuel. But if that were the case there would usually be a service engine or gas cap light as the systems now days monitor pressures so they can detect leaks in the Evap system.

When you mention a smell though under the hood, do you think the smell could be exhaust? I have seen those manifolds crack. or maybe just a leak from a gasket or exhaust donut.

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excessive fuel pressure breach in the vapor canister assembly (most likely)... this is near the gas tank quick disconnect line near the tank is breached filler neck is breached

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I have strong fuel smell from my 2005 G6

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My G6 is currently in the shop getting the fuel tank replaced. I to had a strong fuel odor coming from my car, is this a known problem that occurs with the G6's?

No, this is not common. Pontiac has not released any recall notices, or Technical service bulletins about this complaint.

Nov 23, 2009 | 2005 Pontiac G6

2 Answers

Smell of fuel and minor trace of gas on bottom of tank

Something is leaking, and you have fire risk.

I would normally pull the fuel tank, and if inspection showed nothing obvious, I would take the tank to a radiator shop and have them pressure test it...

Be very aware that any sparks will ignite the vapors, no need to burn, you know.....

Do not ignore this issue.

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