in the morning when i first start my car my oil light flashes on thats the only time it ever does it cold start oil pressure is between 70 and 75 psi when car is warm pressure drops to about 40 psi but sumtimes at idle it will drop down to 15 to 20 psi were the car sounds like it wants to die is this my oil pump about to go or do i have a shitty sensor the gauge im using is a autometer but it doesnt drop all the time most of the time its idling like shit tho theres a couple things that could be the problem if any1 needs more info for cause of this just let me kno im just trynna get sum1's opinion