My Mustang runs great in cold weather but when the weather is above 70 degrees she will start trying to stall. Sometimes it will go into limp mode. I will turn the ignition off and start right back up and it will run fine. It acts like it’s not getting enough gas and bucks and I will put in in neutral and rev it a little and then put it in drive and it runs fine. I have replaced the fuel pump and filter, the throttle body, MAF , crank sensor, plugs and coil. Again it runs like a brand new...

2010 4.0 Mustang