Al

I agree with others the valve is probably going bad, thus the gas smell. It will only get worse and the gas smells stronger, trust me on this one. Been there, done that. There is always the potenial for a fire where fuel (gasoline) is concerned. They are quite expensive, but I replaced mine with a good used one. There are different ones, so make sure before you buy a used one its the correct one, if you go that route.

K

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1989 420SEL 105575 miles
Pearl Black/Grey

1990 Chevrolet E-Cab C-1500
293,000 miles

1989 Olds Toranado Trofeo'
132,000 miles