hey people i have a 1993 buick lesabre with about 90,000 miles and the car likes to cut off because when i turn the weel in park like contantly the car willl not cut off but when im on reverse or drive and turn the wheel when not hitting the gas pedal the car will cut off just by turning the wheel a little and at a stop it sounds like the powersterring is drawwing to much power cause when its at idle and in drive or reverse at a complete stop it makes a nosie like a metal hitting togete it comes near where the poweersterring area is and the car will cut off not whal im driveing just when i am about to park and turn the whel and not hit the gas it will cut the engine off!it will start back up with no problem i need help in finding what this is and no i dont have any lights on my dash my mechanic told me its something fuel related like the lines are clogged and to put an addictive and change the fuel filter and it should fix it i have topped off aal the fluids in the car and i dont know where to go with this let me know if u have an answer!or saying if my mechanic is right