when speeding, it keep whining. it make a loud noise and the car keep droping compression.

Question

It drops compression when you are on steady speed for about 10mins. It makes noise and moves slowly. It moves like it's being chocked.

Answer 1

Hi there,

This code points to a fault in the line pressure solenoid. This can be caused by low transmission fluid. Here is some more info.

P0745 NISSAN - Line Pressure Solenoid Valve Fault

Read more: https://www.autocodes.com/p0745_nissan.html