Hi,
there can be a number of thing that cause this. your idle is to low, spark plugs, wire is loose, and check the Flo meter if you don't know where it at. it will be just before the air filter
1989 Toyota tercel car dies when stopping or slowing down
Somebody pushing the car; friction slowing down the car; gravity acting on the car (this is especially relevant if the car is going up or down a slope); the engine pushing the car forwards.
slowing down
sTOPPING IT OR FRICTION!
Slowing down
A 1993 VW Polo shudders and stops when slowing down is a sign of a bad fuel pump. It is also observable that there is a high pitched sound when the engine is first engaged.
the car has zero alteration
The car is slowing down
Common sign of a convertor going out. might want to have it checked.
it jerks because if it is automatic it is goin down a gear
The car is slowing down
push in the clutch