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By 8100 I am guessing that you are referring to an 8.1L engine? To answer the question though your braking system is a power assisted system. Depending on application engine vacuum acts on a diaphragm in the brake boost canister helping to apply power to the actuation rod that is pushing on your master cylinder piston. The other application is a hydro boost set up where Power Steering fluid is routed to an accumulator and is used in much the same way. The brake pedal is pressed and a rod presses on the master cylinder piston, this opens a valve allowing pressure stored in the accumulator to act on the piston. In either application, when the engine dies there is no longer a supply of vacuum or power steering fluid to create pressure for the power assist. It feels like you have no brakes but you still do. Just press harder on the pedal.
What else can I help you with?
Why does a 1995 s10 blazer shut off when brakes are pressed?
Is your brake pedal hard ? If so replace the power brake booster. It sounds like you have a major vaccume leak in the booster when you apply the brakes. Power brakes work off of engine vaccume. If the dieafram is leaking vaccume when you apply the brakes it leans the engine out. ( creates a major vaccume leak ) and engine dies. Hope this helps.
My 1997 Grand Am 2.4 automatic sometimes locks up going down the driveway. No steer no brakes. Engine shuts off. Why could this be happening Otherwise runs great.?
When the engine dies, the power steering and vacuum assisted brakes are no longer receiving the "help" from the engine. Find out why the engine is stalling and the rest of the problems will go away.
1989 Chevrolet iroc z 5.7 engine dies when shifting into drive or reverse after warmed up?
Probably needs a new Idle speed sensor
Can the idler pulley be the problem on my car because when i brake the car dies?
The idler pulley has nothing to do with the brakes. If the idler pulley is bad it could throw or break a belt, and then your engine will stop.
Why does my 1990 Chevrolet Silverado run for 30 minutes and the check engine light comes on when its warm It idles rough and dies on highway with a random check engine light?
Have vehicle scanned to determine problem and recover codes Could be a bad coolant temperature sensor
At idle my 1989 Chevrolet Camero runs rough and dies what could cause the problem?
If you have a check engine light "on" then you need to have it scanned for codes. It could be numerous reasons such as a vacuum leak, loss of fuel pressure, flooding,and the beat goes on.
Why would a 1991 Chevy astro van start but when using the brakes it dies and won't restart?
Timing belt.
What would cause a car to start then dies?
engine
Mitsubishi 3000gt starts remains on for a couple seconds then the engine dies If you step on the gas the engine will rev check engine light comes on you let go off the gas rpm down and engine dies?
It's probably your IAC.
My misubishi 3000 gt engine light comes on and engine dies and won't restart just cranks any ideas what is causing this?
If the engine light is coming on at the same time as it the engine dies and I am guessing it starts again. It may be your electric fuel pump. You left too little information about the sympton as it could be a number of things. The check engine light will come on if the engine dies. it could be your o2 sensor
What would causes a 1992 Chevrolet vet to crank up runs then dies after a few seconds?
You are losing spark or fuel.
Your engine dies when you give it gas?
Check the throttle position sensor
