i have a 94 stock sc. car starts and runs great except for at certain times. once the temp gauge begins to rise the cel comes on. after its to operating temperature, when i shut it down then restart it, it idles rough. hit the gas and its smooth. i was wondering if the fuel pump could warm up? it seems to help, but could be me, if i stop and put gas in it. or, could it be the ect sensor? also, and maybe not even related, my tach does some strange stuff. it is never accurate. maybe the car is running at 900 rpms and the tach says 2500. clearly its not at 2500 rpms. i hit the gas, tach goes to 0 instantly. could it be a cam sensor? ok, 2 more things in drive or reverse at a stop the car shutters. sometimes it doesnt, sometimes it does. depends on the load. i replaced the tranny mount and the engine mounts are in my trunk waiting for motivation. does it sound like an engine mount issue? and lastly, when i put my key in and turn it foreward, my interior light flashes and my power locks cycle lock/ unlock 3 times. i owned a 91 a long time ago and it didnt do that. doesnt seem normal. and if i hit my wiper wash, it does it again. just once. sometimes, for no reason just does a lock/ unlock cycle. i purchased the car from a guy that loved duct tape. been making the car "safe" for about a month now. any help would be great!