Took the car out tonight to a local cruise in and noticed i can smell gas inside the car. Smelled all under the hood, not there. Pop the trunk and can def smell it there and with the fuel door open i smelled around the cap and smelled gas some. I thought maybe the filler neck gasket but im under a 1/4 tank and havent been driving so it would slosh enough in the tank to leak out i wouldnt think. you guys have any ideas of what i should check first? Thanks everyone!
I can smell gas inside...
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CC'S95GT
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maybe the fuel purge canister in the pass. wheel well
actually was just researching it some more on corral and read about the filler neck gasket where the neck enters the tank. Went out and looked at mine. When i touched it the whole top half of it just about fell off in my hands. its def rotted and 99% sure its the cause. gonna try and get one tomorrow and get it replaced!
MustangMoser
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I was gonna say thats suspect #1. go a head and save yourself some extra work and put a walbro 255 in there, lol. I didnt notice when mine went bad till I filled her up and lost half my tank of 93. that was irritating.
yeah its almost always the filler neck grommet. they are about $20-25 at the dealership, and the tank has to come down to replace it.
if your fuel pump is an unknown i'd replace it while the tank is down like moser suggest. you can get walbro's for $75-80.
if your fuel pump is an unknown i'd replace it while the tank is down like moser suggest. you can get walbro's for $75-80.
cool thanks fellas. ive read a few posts where guys have been able to replace tghe grommet without pulling the tank. im gonna give it a shot first and see if i can do it. if not down comes the tank. for the tank its just pull the 2 straps and lower it down right? never dropped one before
Rice_slayer
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2 straps, some plugs for the fuel pump and good to go. be VERY careful when lowering it, or make it very empty, we used a floor jack with a piece of wood underneath to slowly lower it, much easier if you have a hoist and a tranny lift, but I don't at my house sadly 
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.MustangMoser
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I cant think of anyway that you could possibly get the filler neck out of the tank w/ out dropping it. well a saws-all would work.
2slo95fiveoh
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MustangMoser said:
That's it. Everyone knows that welding the gas tank filler is the quickest and safest way EVAR!
MustangMoser
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make sure its a full tank though, the fuel fumes keep the weld clean...
i've change the grommets on new edges without dropping the tank, but they are a tad bit different. on ours i've always had to drop it. dont forget the fuel line disconnect tools. also take out the 3 bolts holding the fill neck to the body and the 3 or 4 underneath holding it along with the 1 holding the neck to the tank.
rz5.0
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i change mine on my 95 without dropping ithe tank.
here ya go friend - this is exactly how I (and many others) have changed the fuel filler neck grommet w/o having to drop the fuel tank:
http://www.stangnet.com/mustang-forums/748604-how-replace-fuel-filler-tube-gasket-pics.html
the method and way to do it in that above links works 100%... just put aside some time and you'll have that swapped out in no time, w/o having to deal w/ dropping the tank.
As others have stated, also check for fuel vapors coming from the charcoal canister AND it's rubber lines coming off of it. This is located behind the passenger side inner fender liner. You have to remove the liner to locate the lines & the canister itself. The canister is filled w/ charcoal and over time, this can become saturated w/ fuel vapors, thus being in need of a replacement. The rubber lines are prone to dry rotting and cracking. You can easily replace those lines by going to your local auto parts store and getting new rubber fuel line.
The (2) 94/95 5.0 fuel lines coming off of the steel feeder lines found under the chassis going up into the engine bay to the actual intake fuel rails are also prone to leaking (which can cause a fire). I'd read up on those as there are many different ways one can replace or upgrade those lines. A fuel leak at those lines is a very common issue w/ the 94/95 5.0, because those lines are not metal like the 93-86 EFI engine bay fuel lines. There have been reported instances of vehicles burning up due to deteriorated lines.
One last thing - the actual fuel filler neck can rot out as well, and if so, the area of deterioration will be at the bend which can be seen in the trunk (once you remove the trunk liner). It's been known to be a common issue that the area of that bend can be peforated and/or rotted out and the holes cannot be seen because it's under the bend. So, check the fuel filler neck completely for any soft spots, holes, etc. The fix is to replace the filler neck.
http://www.stangnet.com/mustang-forums/748604-how-replace-fuel-filler-tube-gasket-pics.html
the method and way to do it in that above links works 100%... just put aside some time and you'll have that swapped out in no time, w/o having to deal w/ dropping the tank.
As others have stated, also check for fuel vapors coming from the charcoal canister AND it's rubber lines coming off of it. This is located behind the passenger side inner fender liner. You have to remove the liner to locate the lines & the canister itself. The canister is filled w/ charcoal and over time, this can become saturated w/ fuel vapors, thus being in need of a replacement. The rubber lines are prone to dry rotting and cracking. You can easily replace those lines by going to your local auto parts store and getting new rubber fuel line.
The (2) 94/95 5.0 fuel lines coming off of the steel feeder lines found under the chassis going up into the engine bay to the actual intake fuel rails are also prone to leaking (which can cause a fire). I'd read up on those as there are many different ways one can replace or upgrade those lines. A fuel leak at those lines is a very common issue w/ the 94/95 5.0, because those lines are not metal like the 93-86 EFI engine bay fuel lines. There have been reported instances of vehicles burning up due to deteriorated lines.
One last thing - the actual fuel filler neck can rot out as well, and if so, the area of deterioration will be at the bend which can be seen in the trunk (once you remove the trunk liner). It's been known to be a common issue that the area of that bend can be peforated and/or rotted out and the holes cannot be seen because it's under the bend. So, check the fuel filler neck completely for any soft spots, holes, etc. The fix is to replace the filler neck.
hey not to jack the thread but my pump is whining like a mother and was curious one if that's normal and two if there's any ill effects of putting a walbro 255 in as a replacement in a stock car which will latter get full cali legal bolt ons including H/C/I.
P51CrazyHorse
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I lucked out when i got my '94 parts-car. The tank had already been removed, and the grommet there was a brand new one. Was informed (after the fact) that I should definitely keep that part at least, since it's an extremely common problem with these cars.
I just kept the whole tank when I got rid of the rest of the car. Grommet and all.
I just kept the whole tank when I got rid of the rest of the car. Grommet and all.
