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Smelling fuel inside the car.

 
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PostPosted: Thu Jul 19, 2012 3:06 am    Post subject: Grrrr ! Smelling fuel inside the car. Reply with quote

I trying to figure out how I am smelling things in the cabin of the SS while driving around. One night I was coming to an intersection me and my family had a super strong odor of fuel fill the cabin area of the car. It was so strong I had to drop all four windows to air it out. Crazy!

Anyone know what might be causing that? Dealership says there's nothing wrong. I'm like, ok (sarcastically).

The past couple nights I have been passing a dead skunk on my way home from work. That's definitely a treat for the senses! I even smell it when I have the AC on recirculate. I never have this issue when I'm in my Acura. I'm guessing something may have came loose.

Thoughts anyone?

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PostPosted: Thu Jul 19, 2012 11:42 am    Post subject:   Reply with quote

Check your FPR and connections along the fuel rail/fuel lines. Without actually seeing the car, it sounds like something is leaking. You really need to find it before you continue driving the car.

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PostPosted: Thu Jul 19, 2012 11:47 am    Post subject:   Reply with quote

Do you notice any fuel drops under your car where you park it?

Try idling the car and having a look underneath after.

You could also check to make sure that the fuel filter has a secure connection, and more importantly, take a look at the fuel line connection to the fuel rails.

Have you done any work or had anyone else do any work under the hood lately? It is possible that the fuel line->fuel rail connection has been bumped and isn't seated properly.


At an intersection, I'd expect there was an accident and someone leaked fuel, or if there was a fuel station, a tanker may have been filling the station's tanks and not had a proper air recovery filter, leading to an aboundance of fumes for a smallish area. I have experienced this on foot walking past fuel stations.

If it only happened once I would expect it's nothing to do with the car. If it happens more than once I'd be looking at fuel filter and fuel line to fuel rail connections.


As far as other cabin smells regardless of setting it to recirculate or fresh air intake, I'd guess an actuator in the system is not working and you're taking in fresh air all the time, regardless of what the HVAC unit is indicating.

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PostPosted: Thu Jul 19, 2012 1:26 pm    Post subject:   Reply with quote

Lingenfelter wrote:
Do you notice any fuel drops under your car where you park it? I haven't seen any fluid drops underneath besides drops from the AC.

Try idling the car and having a look underneath after.

You could also check to make sure that the fuel filter has a secure connection, and more importantly, take a look at the fuel line connection to the fuel rails. I will look today.

Have you done any work or had anyone else do any work under the hood lately? It is possible that the fuel line->fuel rail connection has been bumped and isn't seated properly. Actually i have, but this fuel smell incident happened before then.

At an intersection, I'd expect there was an accident and someone leaked fuel, or if there was a fuel station, a tanker may have been filling the station's tanks and not had a proper air recovery filter, leading to an aboundance of fumes for a smallish area. I have experienced this on foot walking past fuel stations. There was a station at that at that corner, I would have never thought of the fumes coming from a station like that.

If it only happened once I would expect it's nothing to do with the car. If it happens more than once I'd be looking at fuel filter and fuel line to fuel rail connections. It has only been once but I'm leary now... I ask my wife all the time, do you smell that? LOL


As far as other cabin smells regardless of setting it to recirculate or fresh air intake, I'd guess an actuator in the system is not working and you're taking in fresh air all the time, regardless of what the HVAC unit is indicating. Is this something I can determine for myself or is this something a mechanic will have to diagnose?


Thanks for the reply!

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PostPosted: Thu Jul 19, 2012 5:10 pm    Post subject:   Reply with quote

Boosted wrote:
Lingenfelter wrote:
Do you notice any fuel drops under your car where you park it? I haven't seen any fluid drops underneath besides drops from the AC.

Try idling the car and having a look underneath after.

You could also check to make sure that the fuel filter has a secure connection, and more importantly, take a look at the fuel line connection to the fuel rails. I will look today.

Have you done any work or had anyone else do any work under the hood lately? It is possible that the fuel line->fuel rail connection has been bumped and isn't seated properly. Actually i have, but this fuel smell incident happened before then.

At an intersection, I'd expect there was an accident and someone leaked fuel, or if there was a fuel station, a tanker may have been filling the station's tanks and not had a proper air recovery filter, leading to an aboundance of fumes for a smallish area. I have experienced this on foot walking past fuel stations. There was a station at that at that corner, I would have never thought of the fumes coming from a station like that.

If it only happened once I would expect it's nothing to do with the car. If it happens more than once I'd be looking at fuel filter and fuel line to fuel rail connections. It has only been once but I'm leary now... I ask my wife all the time, do you smell that? LOL


As far as other cabin smells regardless of setting it to recirculate or fresh air intake, I'd guess an actuator in the system is not working and you're taking in fresh air all the time, regardless of what the HVAC unit is indicating. Is this something I can determine for myself or is this something a mechanic will have to diagnose?


Thanks for the reply!


Another thing to check might be your cabin air filter to make sure it's closed up, but I really doubt that's the problem. A gas station fuel reservoir can hold an awful lot of fuel, the amount of displacement those pumps put into the tanks is substantial.

I don't blame you for being paranoid, fuel issues are obviously a big deal.

As far as testing the air system, I don't know what the procedure would be, maybe someone with a Haynes or GM service manual could help? My personal laymen's test would be to have the wife spray something with an obvious smell (cologne, air freshener, etc) outside the car near where the cabine air filter is, and see if you notice it inside with the windows closed and the air on high+recirculate. Not scientific, but it might get you an answer.

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PostPosted: Thu Jul 19, 2012 5:46 pm    Post subject:   Reply with quote

FPR, had the same prob not too long ago, pull the vacuum line off the FPR and see if it looks wet or smells like gas if it does there is your prob.. Word of advice buy a delco FPR i didnt and im on my third from autozone in a couple months because they wont hold pressure and make your car hard to start..I will be ordering a delco soon as well
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