1993 gmc jimmy smells like gasoline?

Alex

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My 1993 jimmy smells like gas it started a couple days ago.
a while back i had to change my fuel pump which required taking off the tank. could the gas smell just be a leak from the top of my fuel tank? i dont notice the smell untill ive been driving 20 to 60 seconds.
Also why would it smell like gas inside the cabin if the leak is at the rear end of the car?
what/where is the fuel rail?
 


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