When I start the engine some time with A/C the RPM come up&down .. same condition happen also some time without switch on the A/C ..

What is your question?

some time the RPM stay in correct level with or without A/C .. but when I start drive the car and stop for Signal or other reason the RPM come up and down and suddenly the engine switchoff. . I need the suliotion of this problem and this problem there are any related of Trotter body ?