Hmm... while driving, and/or intermittently? Or has something really gone south and the
car just has no guts ever?
Can you be a little more precise?
FriPilot
hello, have you changed the spark plugs in this vehicle?
A leak.
Gravity! We fight that loss of power by using more torque.
When was the last time you had a tune up? When the a/c pump is engaged it causes parasitic loss of horse power and rpm. The computer sees this loss and adjusts accordingly. From what you state, the vehicle rpm is dropping to low causing the vehicle to idle roughly. Give the vehicle a tune up and this should fix the problem.
Massive power loss in a turbo vehicle could be due too boost leak for the turbo.
Loss of power, loss of forward momentum, loss of speed.
A complete loss in AC power
Common cause for this type of malfunction is improper timing. This is dangerous in these engines. I suggest you take the vehicle to a competent mechanic immediately.
A bad vehicle ground wire can cause intermittent loss of power to your 1998 Nissan. Check the vehicle ground wire to make sure it is tight and free of corrosion.
A brownout refers to the drop in voltage in an electrical power supply system. A blackout, on the other hand, is the complete loss of electric power in an area.
clogged cat
Check the catlytic converter for blockage