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strong gas odor near fuel tank (literally)

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Old Aug 19, 2006 | 06:56 PM
  #1  
thunderstick's Avatar
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
strong gas odor near fuel tank (literally)

no kidding, but this isn't normal... situation = after the car has been in operation for a while - few minutes, couple of hours - and i stop and shut it off, i can smell gas pretty strong near the tank. today i put the car up on stands and looked and felt around the lines and such with the engine running, but did not find anything. only two things i can think of, one is the gas cap, the other is what appears to be like a "vent" hooked to a line from the tank that is attached along side the firewall area. the pump was changed not too long ago, but don't recall this problem after the change. nothing seems to be leaking anyways.
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Old Aug 19, 2006 | 11:31 PM
  #2  
Supervisor42's Avatar
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From: Arab, Alabama
Car: 1988 Trans Am GTA
Engine: 350 4BBL
Transmission: 700R4
Axle/Gears: 3.27
Originally Posted by thunderstick
no kidding, but this isn't normal... situation = after the car has been in operation for a while - few minutes, couple of hours - and i stop and shut it off, i can smell gas pretty strong near the tank.
Read this thread and ones referenced in it.
https://www.thirdgen.org/forums/tech...p-hot-gas.html
Same thing.
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Old Aug 20, 2006 | 12:15 AM
  #3  
nelapse's Avatar
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From: Mobile, AL
Car: GTA
Engine: 383 HSR
Transmission: TH-700R4
Axle/Gears: 3.42
Yeah there is alot of "hot gas'' drama, but it could be as simple as a bad gas cap. Just something to think about.
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Old Aug 20, 2006 | 09:18 AM
  #4  
thunderstick's Avatar
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
Originally Posted by Supervisor42
Read this thread and ones referenced in it.
https://www.thirdgen.org/forums/tech...p-hot-gas.html
Same thing.
thanks - sounds like i have a "hot gas" problem... got catco's and flowmaster on it. never noticed it before because at the time all that was installed, i didn't drive the car much, and same thing after the pump replacement. car's been in daily use since about 3 months after the pump change... probably need to go with some kind of insulator in addition to the heat shield.
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Old Aug 21, 2006 | 05:25 PM
  #5  
Thursday12889's Avatar
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Joined: Apr 2006
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From: Michigan
Car: 1990 Firebird
Engine: 3.1L
Transmission: 700R4
Axle/Gears: 3.23's
you know if you look on a recall website, there is something about turd gens having a recall for something in the fuel system so you might want to check that out.
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Old Aug 22, 2006 | 12:05 PM
  #6  
MikeDirntRulez's Avatar
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From: Moreno Valley, CA
Car: 1990 Camaro RS
Engine: 305 TBI (L03)
Transmission: 700R4 (MD8)
Axle/Gears: 2.73 Open (GU2)
If it's your Z28, then yes, 1991 Camaros had a recall for something with the gas tank. If you take it in they HAVE to replace the entire tank. If they don't then take it up with GM headquarters, but they HAVE to do it, no ifs, ands, or buts.

Lucky you.
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Old Aug 23, 2006 | 01:15 PM
  #7  
thunderstick's Avatar
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
yea, it's the '91 - thanks for the info! will call 'em up and see what they have to say...
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