Cool mornings it doesn't want to start ,i have to turn the key to start and let it off several times and it will eventually start after that it starts fine all day and starts fine on warm days

possible problem is a weak fuel pump. The fuel pump relay will engage for about five seconds each time the key is turned to the start position. If the fuel pump is weak then there is nor enough pressure to fire the injectors until the key is recycled several times. You should connect a fuel pressure tester to the fuel system to see if that is what is happening. Try turning the key on and off several times waiting 3 or 4 seconds between turns and then all the way to start.

Is it doing anything else like the dash clock resets itself? Check all of your fuses. My bet is if the clock is resetting itself every time the engine is turned off, the fuse running that circuit is also the permanent power supply to the immobiliser and central locking.

Sounds like you are loosing fuel pressure overnight. Could be a fuel pump problem, or a leaking injector.

yes, could be ! change your fuel & air filters , its winter time , yes !

did you tune it up after 100,000 miles check fuel filter and also inspect all vacum hoses

Turn the key on and make sure the blower motor is working. It doesn't matter what speed. Turn the key off. Pull the hvac1 fuse out of the under hood fuse box. Wait five minutes. Reinstall the fuse. Turn the key on, do not start the engine or touch the heater controls. You should hear the heat swiping through the different modes. After a couple of minutes it should stop. Turn the key off then start the vehicle. It may take several tries but eventually it should recalibrate.

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If you only get 1 click per key turn, sounds like the copper contact plate in the starter solenoid is worn. If you keep trying to start it and it eventually turns over click after click, then it more than likely time for a starter, or a starter rebuild if you're handy. The kits are available online for under $40

I hope some one can help you with a post, for I am having the same issue

Took to mechanic who checked alternator. Alternator was bad. Replaced alternator.

Replace the battery it has a bad cell. When you got it started the vehicle charged it long enough so it would start for your mechanic. But it needs a battery.