This morning I started my car with no problem as usual. Drove a couple of miles and the engine died turning a corner. It restarted when I let the clutch out. Then it died at every stop or deceleration but started right up. It drove smoothly with plenty of power as long as I applied throttle. It died as soon as I let off the gas. There are no codes present or pending. This is out of the blue. Last night it performed fine as always. Help please!