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  #1  
Old April 8th, 2015, 11:08 PM
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Smelling gas on turns

Ive been having some strong gas odors when turning on a full tank. Im assuming Im loosing fuel somewhere. Anyone experience something similar? No odors when tank is down a few gallons, and I don't fill past the first click. Im guessing leaky injectors, fuel lines, or seals on the fuel tank or injectors? I don't have time to mess with this now unfortunately.
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  #2  
Old April 9th, 2015, 12:41 AM
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Look in the rear by the filler cap, I bet you have a broken or cracked breather/vacuum line. Should be on the tank just above the frame rail
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  #3  
Old April 9th, 2015, 12:58 AM
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On a '97 if your fuel system piping is not secure, such as leaving off a gas cap or a break in the ventilation system, you should be getting a "check engine light".
So baring anything there, I'd say the smell is coming from the engine compartment & I think I'd find the source before you drive it again.
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  #4  
Old April 9th, 2015, 07:36 AM
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Best thing to do is run the tank as low as possible then drop it. That way you get to see the entire fuel system.
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  #5  
Old April 9th, 2015, 08:02 AM
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Quote:
Originally Posted by Rocky View Post
Best thing to do is run the tank as low as possible then drop it. That way you get to see the entire fuel system.
careful running it low. I've embarrassingly run too low and eff'd my fuel sender. I personally "try" to stay above the redline at all times now. I lost track last week for the first time in a long time. When I noticed I was so pissed at myself. Look how close I got to doom.
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  #6  
Old April 9th, 2015, 02:18 PM
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36 bucks for 15 gallons?? were you filling up in Venezuela or something?
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  #7  
Old April 9th, 2015, 02:21 PM
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Start with what Brewie said. That was my problem and I had the same symptoms as you.
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  #8  
Old April 9th, 2015, 02:32 PM
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Clay, unless the 97' has a smaller tank, not to worry. You are leaving some meat on the bone. My top fill ups are 15.62, 15.36, 15.55, 15.28, 15.22 and 14.94 gallons. Average fill up is 13.17 gallons. No fuel gauge issues.
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  #9  
Old April 9th, 2015, 03:08 PM
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It's not a problem, especially if you want your passengers back there to go quiet until you burn a gallon or two...
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  #10  
Old April 9th, 2015, 05:05 PM
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Sam - been there, doing that. I actually even replaced all the gaskets/orings on my fuel shutoff valves #NTC4517 when I had my tank dropped, as well as replaced ALL the plastic piping and junction/T's as well. Guess what? Still does it when full, and on corners/turns. If you actually look into the rear driverside wheel well after you stop I guarantee that you'll see a slight sheen coming down the side of the tank...which essentially is a small amount of fuel coming out of somewhere on the top.

If you solve it, I'm all ears! Best I can now theorize is that maybe there's a tiny hairline crack somewhere on the seam at the very top of my tank that lets out just a tiny amount of fuel when full.
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  #11  
Old April 9th, 2015, 05:15 PM
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try replacing the gas cap
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  #12  
Old April 9th, 2015, 06:05 PM
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All good points. Thanks much fellas. I'll start with the easier looks suggested by Brian and move onto dropping the tank. Lav, this issue is somewhat new so Im assuming it can be "fixed?". lol

------ Follow up post added April 9th, 2015 04:07 PM ------

Quote:
Originally Posted by Ren Ching View Post
try replacing the gas cap
I did replace the cap, but no smell for over a year after... It was a genuine LR part as well. I will take a look at that as well
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  #13  
Old April 9th, 2015, 06:08 PM
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Quote:
Originally Posted by SMac View Post
All good points. Thanks much fellas. I'll start with the easier looks suggested by Brian and move onto dropping the tank. Lav, this issue is somewhat new so Im assuming it can be "fixed?". lol
Everything can be fixed! In your checking, scout out that wheel well and see if you can see the top/side of the fuel tank...if it's at all wet or has a sheen, it'll be a similar issue to mine I'm guessing (or could be a broken breather line as Brewie pointed out).
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  #14  
Old April 9th, 2015, 09:12 PM
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I keep smelling gas after Mexican food

no but seriously start with the gas cap.
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  #15  
Old April 9th, 2015, 09:57 PM
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I have the same issue. I think it's leaking out of the top breather seal/grommet. I mostly notice it after sloshing about offroad.
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  #16  
Old April 10th, 2015, 09:43 AM
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Quote:
Originally Posted by cgalpin View Post
I have the same issue. I think it's leaking out of the top breather seal/grommet. I mostly notice it after sloshing about offroad.
However I thought you - like I - had actually replaced both that breather as well as the grommet/seal? I know I did, and mine still did the exact same thing.
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  #17  
Old April 10th, 2015, 10:47 AM
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Well, a quick tour shows that the vent pipe definately has seen better days. But that will require a tank drop. Not a big deal as I recently replaced the tank skid and fasteners, but still time consuming. Hopefully the proximity of the vent hose to my hoky taillight wiring doesnt cause fireworks.
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  #18  
Old April 10th, 2015, 07:47 PM
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Originally Posted by nathanwind View Post
However I thought you - like I - had actually replaced both that breather as well as the grommet/seal? I know I did, and mine still did the exact same thing.
I might not have done the grommet.
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