1994 Nissan 300ZX Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Nissan 300ZX

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.

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.

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I'm hoping it's not the fuel injector but is it?

when i turn my heat on it blows cold air i never get heat but the blower is working good.

Just got this car from a individual..and was thrilled when A/C worked...but when the evening temps dropped, I turned up the temp....and no heat...tried all different positions etc...floor, dash, defrost, etc....but no heat. Plenty of coolant. Don't know how to do the self diagnostics...or wh...

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