1990 Nissan 300ZX Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Nissan 300ZX

1990 Nissan 300ZX Problems

Fuel Injectors May Fail and Cause Drivability Concerns

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.

Exhaust Manifold Can Warp and Cause the Studs to Break Off

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.

Check PCV valves if vehicle emits blue smoke

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.

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1990 Nissan 300ZX Questions

running fine, radio and inside door courtesy lights suddenly went out, why? (1 answer)

brand new battery,

Why my 300zx wont stay on (1 answer)

I need some help after i changed out my spark plugs on my 1990 nissan 300zx would start just fine but then dies out a little after like it was running out of gas so i canged out my fuel pump and checked the fuel filter nd it still does the same thing. Does anyone know why this is happening?

Vibration center console so bad that the car can't be driven over 25 miles (2 answers)

Replaced center support bearing. Everything else looks good.

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1990 Nissan 300ZX Reviews

This car is fast, fun, and hot!

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