u/Early_Show8758

2016 GTS 300 - 5,200 miles. Drives
great and no problems in general. However, when I coast coming downhill, it sometimes begins to sound like the engine is backfiring. If I don’t give it a little throttle, the engine will die. My speedometer oil light will blink. Usually, I just turn the ignition key off, back on, then it starts right up. Sometimes I have to do it 2x to get it to start.

Is this normal?

TLDR: Basically, I can’t coast going downhill or the engine cuts off. - is that normal?