The fuel injectors can fail and cause drivability problems. Often there is no Check Engine light and the failures can be caused by corrosion of the connector, clogging beyond the point of cleaning, and/or internal failures.
Resources for the Repair and Maintenance of your 1993 Nissan 300ZX
1993 Nissan 300ZX
1993 Nissan 300ZX Problems
The exhaust manifold often warps, breaking off the studs between the cylinder head and the exhaust manifold. The noise may be most noticeable when the engine is cold.
If the car is emitting blue smoke from the tail pipe, from burned oil, be sure both PCV valves are functioning properly prior to replacing the turbocharger.
1993 Nissan 300ZX Questions and Answers
wh at can i do to better 18mpg.on the hwy i'm using chevron premium, sparkplugs are bosch and modify chip
climate control works sometimes, and sometimes not. lights up, but no temp in screen.
on clod starts in cold temp like 30-40 degrees the car will fluctate idle and want to stall easy for about 3 minutes. once its warm it runs fine but always shakes a little at idle(might be a diff...
I can't seem to find the procedure for replacing the spark plugs.