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my 1996 trans am has a strong gas smell at the rear of the car and i can’t find out why if y’all could please help me and lead me in the right direction, also kind of sputters at idle but will take off like a bat out of hell
 

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Welcome to the forum.

Jack up rear of car and support with jack stands. Check the fuel lines coming from front to back of car for pinhole type leaks. If leak not there you will have to check the fuel lines going into gas tank sending unit.

This involves either dropping the tank, which means dropping the rear axle assembly. Or cutting a trap door to get easy access to fuel tank sending unit. If you wish to cut the trap door, let me know and I will post a pic of where to cut the trap door.

Before this , check fuel lines up front also for leaks.
 

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What coco said, plus look at the evap canister and breather
 
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