I have a 93'SE 5speed. The car stalls but not all the time. Every now and then the car will stall, i notice that when driving and then coming to a stop the cars RPMs drop drastically down to below 500 and sometimes stalls. Also the car when stoped at a red light and in 1st gear will shake like its going to stall but the RPMs dont drop so it doesnt stall (that also happens occasionally). Do you think i need new spark plugs. Any help will be greatly appreciated! thanks