hi i wanna help in this problem
every time i turn of the engine the car makes vibration for a while
can anyone help me and say what i could do

Is it a 1.4? if so you could try starting here

http://www.volvo300mania.com/forum-uk/v ... .php?t=571

thank you very much

Its probably the anti-run on solenoid stuck in the open position. This also controls the idle jet so may have been deliberately altered to cure idling problem.

regards, Steve