This sounds like the TPS throttle position sensor. Mine also cuts out at 2,000rmp for a split sec and then clears up, it also idles up and down slightly between 800-1000. It's not bad enough for me to change it yet but this is what I was told.
diaphragm of 1991 Nissan sentra
no
The 1991 Nissan Sentra GXE has a gas tank capacity of 13.2 gallons, and takes regular unleaded fuel. The Sentra was first produced in 1982.
It rides piggy-back on the starter.
Super Multiple Junction
The fuel pump relay on a 1991 Nissan Sentra is in the gas tank. To get to it you have to remove the back seat in the car and you will see a compartment that is at the top of the gas tank.
grow a pair and get a life
Your Nissan dealership can get one for you!
It is a 13...
no because the maxima is a 5 lug and the sentra is 4 lug
The speedometer is cable driven.
Inside the alternator. Most cars produced since the early 1970's have internal voltage regulators. There are a few exceptions but the 1991 Nissan Sentra is not one of them.