The EGR valve or the Knock Sensor could be the problem here. Repairs run about $500.00 at a shop or do it yourself for about $250.00
Have the Ecm checked At dealers ( recall )
There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.
I am currently going thru the same thing. It is either the throttle plate or the recall that during engine movement causes the throttle-cable housing to pull out of its guide.
On a 19 year old vehicle I would suspect you have a vacuum hose that is leaking. Replace all under hood vacuum hoses.
Need to replace the ingnetion module in the distributor.
Check for leaks in the intake manifold or a poor fuel pressure situation.
Vacuum leak, bad spark plugs, plug wires, or all three. Replace all vacuum hoses, plugs and plug wires. Replace the hoses one at a time so as to not get confused.
possibly the coolant temp. sensor
Where is the clutch fluid on 1993 nissan pickup truck.
Nissan Quest was created in 1993.
Nissan Altima was created in 1993.
because everyone elses 1993 ford tempos stall when they idle. learn to drive with one foot on the gas and one on the brake like I do in my '93 tempo. keep the RPM at 1000 and it won't stall out.