ldogg0123

I forgot to mention in my previous posts that the vehicle has never thrown any codes when this occurs or otherwise.

That's correct. I should note I don't hold the key in start position, I can typically tell when it wont start, so I don't typically let it go the full ten seconds. I'll typically turn the key off after about 7. My wife will let it go until it stops cranking on its own. The crankshaft position sensor I replaced was OEM. As big as a pain as that was to change, due to its location, my limited workspace, and the lost socket that I had to fish out with a borescope, I'm going to trust its working correctly strictly for the sake of not having to repeat that process again.

Starter seems to be working fine, once the engine starts it doesn't keep going. Everything sounds normal when you try to start it. It just keeps cranking hard like its trying to start until the key is turned off. Then it starts right up when you turn the key again. I haven't checked fuel pressure yet, that's likely next on my to do list. After it starts up everything runs normal. No loss of power going up hill or when hammering down on the gas, doesn't idle rough etc. It just randomly doesn't like to start on the first try, then it cranks right up and runs great.

I've lurked around this forum for a while looking for various topics and have had some pretty good luck. So I'm here today to seek out this forums infinite wisdom on an issue I can't for the life of me figure out. My wife's 2010 Edge (155,000) mi intermittently cranks but will not start up on the first attempt. This issue has not occurred in the mornings on a cold start, but randomly occurs throughout the day at least once. After not starting on the first attempt, if I turn the key off and try to start again it fires right up every time. Should note here that turning the key to the on position and waiting for the fuel system to prime has no affect on this issue. I can hear the fuel pump prime every time I turn the key to the on position. I've replaced the evap purge valve, crank position sensor, spark plugs, ran fuel system cleaner, checked and swapped relays and fuses around, and now I'm at a loss. If I start and stop the vehicle a few times I can usually get this issue every 4th or 5th time. Also side question: The vehicle doesn't have remote start but occasionally if you randomly hit the buttons on her key (in some order that I can't figure out), the car starts. I've walked out the store to find the car running with no keys in it. You can even put it in reverse and drive off without putting the key in. Anyone else ever come across ghost starts like this?