Nissan 300ZX Auto Parts

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1990s

1980s

Frequently Asked Questions (FAQ) About Common Nissan 300ZX Problems

Your 300ZX was the sports car of the mid-1980s and 1990s that you couldn't miss: it looked great and drove even better. Above all, it was solidly reliable, as only Nissan could deliver.

Unfortunately, that didn't mean it was without issue during its career. Luckily, any trouble spots the car had, it turned out that they were pretty easy to fix. Here are a few questions people ask about some of the commonest, so you know which to look out for -- and what to do if you run into any.

Why is My 300ZX Not Running Right?

Most likely, if the car's hard to drive, it's because the fuel injectors have failed, usually because the connectors have corroded. This is a known issue for models from between 1990 and 1996 with 228,000 miles or fewer on their odometers nowadays. The problem's other causes include clogs (which can't be fixed by cleaning) and related fuel system problems.

Run an inspection to figure out what part's the trouble, and replace it.

Why is My 300ZX Engine Ticking?

Most likely, the exhaust manifold's warped, and the studs between the cylinder head and the manifold itself have broken off; it's almost certainly the problem if the ticking's happening when the engine's cold. This is a known issue for models from between '90 and '96 with 150,000 miles or fewer on their odometers these days.

The manifold and studs will have to be replaced.

Why is My 300ZX Failing Emissions Tests?

Most likely, if emissions are reading high, then parts in the air injection system are faulty, owing to moisture. This is a known issue for models from between '90 and 1992. The parts will need to be replaced. If you're not sure how to do this, a Nissan dealer can help.