Hi Scotty. So i was on here before about my 1998 Chevy Blazer LS. it runs fine bt everytime i run the car and drive it stalls and shuts off when i brake. and i dont know what the problem is. i put it on my lift to clean and change a bunch of stuff and when i had it on the lift i put it to multiple speeds and braked and it worked fine didnt stall one time. then i put the car on the ground and drive it down my road and it stalls. i dont know what else would cause this. i changed the Idle air control, cleaned the throttle body and checked the brake booster and it all seems fine. i also unplugged the TCC solenoid and tried to see if that was the problem but it still stalled. if you can help me out in any way or think of anything else that could cause this it would help me so much. this is just a weird thing how it can run fine on a lift but not on the ground when driving. if you know what else could cause a car to stall when you hard brake i would love to know. please help and thanks.

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ScottyKilmer
ScottyKilmer

those things have problems all the time with the fuel injection systems when that old. Cheap plastic parts often crack then leak fuel internally. Check the plugs, if they are running super rich or super lean, start checking that out