Engine Races Or Slips In 4th Gear Or On 3-1 Downshift When Depressing Accelerator Pedal
WARNING: This page is about a different car, the 2002 Nissan Sentra, 2002 Infiniti G20, 2001 Nissan Sentra, and 2001 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.
Possible cause: incorrect fluid level, TP sensor misadjusted, incorrect line pressure, or damaged line pressure solenoid valve, valve body assembly, forward clutch or forward one-way clutch, or low one-way clutch.