my g/f's civic is ****in up again. everytime she stops at a redlight or stop sign, its stalls on her. it shakes and then stalls. i cant seem to find the problem. we turned the idle up, that didnt help. we thought it was bad gas so we cleaned that, and it didnt help. im thinkin maybe egr valve..but im not sure...anyone have this problem or can help me? btw: she has a 92 4d dx model. thanx guys