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Topic: I smell gas

in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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I smell gas (1/3)
 12/27/22 8:24pm
lbbounder
Standard Member
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Florence, KY - USA

Vette(s):
1977 Coupe; yellow, 4 speed, one option car with original engine


Joined: 9/9/2007
Posts: 143

Happened last year too. 
it is cold, like below freezing. 
the garage smells like gas; no obvious fuel leak. Ideas?



______________
current
1977 Coupe
 
gone but not forgotten
1996 Grand Sport
1984 coupe 
1974 coupe
1964 roadster

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Re: I smell gas (2/3)
 12/27/22 10:21pm
73shark
Limited Member
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.


Joined: 7/9/2003
Posts: 864

I had a similar situation and discovered that the charcoal canister had liquid gas in it.  Turned out that the plastic valve on top of it was cracked which prevented purging of the stored vapors.  Glued the valve back together and no more gas smell.

So you might check the canister and the purging system.  Might just be a cracked hose.



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1973 L-82 4 spd

Re: I smell gas (3/3)
 12/29/22 10:47am
Adam WartellLifetime Member
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Eagleville, PA - USA

Vette(s):
Used to own a 1979 Corvette now owned by JB79


Joined: 11/1/2001
Posts: 17608

73shark said:

I had a similar situation and discovered that the charcoal canister had liquid gas in it.  Turned out that the plastic valve on top of it was cracked which prevented purging of the stored vapors.  Glued the valve back together and no more gas smell.

So you might check the canister and the purging system.  Might just be a cracked hose.

Yup! Same thing for me. The vapor canister cracks because of age. I also recommend you check that.




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-Adam Wartell
NCM Lifetime Member #1222
Founder: C3 Vette Registry 
C4 Vette Registry, C6 Vette Registry

My first Vette, now owned by JB79:

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