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93 Buick Stalling

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I have a 1993 Buick lesabre custom, 170,000 miles and has always been taken care of. About 2 years ago it started stalling whenever you would slam on the gas or brakes but does not stall if you baby the car. I’ve changed the mass air flow sensor and a lot of other things. I’m think it could be the fuel pump relay, fuel pump it’s self, fuel injectors, or crank shaft position sensor. I’m not really sure and I don’t have the money to take it into the shop to get looked at. I’ve done my research but I’m honestly puzzled. What do you think ? 

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With that all that could be a ton of things from a vacuum leak to a dirty throttle you might start by trying my video make your car run better with a little spray cleaner Scotty

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