Question about 1990 Nissan 300ZX

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Nissan 300zx starts smoking when reaches tempture

As regone engine and turbos runs fine just smokes when warm

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Sounds like your rings are leaking oil into the cylinder.. causes blue smoke. would not do it until it is warm due to the higher viscosity of the oil at cold. try some ring seal and see if that reduces it.

Posted on Jul 08, 2009

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1984 nissan 300zx turbo a.e. wont run after i ran out of gas without pumping pedal then runs rough bliwing smoke for a minute then stalls.


Check the fuel filters and change them IF the fuel pump ran dry it might have worn itself out. You need to have the fuel pressure checked.

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I have a 1988 300zx I can start my car and it runs and drives fine but after it gets warmed up and going it acts like it's "running out of gas" and it dies but after it has sit and cooled off it will...


  • It sounds like you may have a bad head gasket or even cracked , When the car get warm it opens up and if your rad fluid is going it your cylinders and causing the car to misfire and smoke . The easiest way to tell the health of your motor is to do a compression test and look at the oil and rad fluid .

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300zx started smoking then died out


Sounds to me like you had an electrical burn out or near fire condition. Water may have gotten into an open area like wiring harness or fuse block and caused a short and what you were smelling is the insulation or other plastics burning. I would take the car to a auto electric specialist for diagnostics.

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Have a 1984 300zx, non-turbo two seater. 124K


its running very RICH !!!! TOO MUCH GAS!
check the air fuel mix & the air filter!
it needs a good tune up!
& get the injectors either cleaned or replaced
the fuel injectors from the factory are renound for leaking & setting fire to this model!
you can buy aftermrket injectors that eliminate the this

Jul 17, 2009 | 1984 Nissan 300ZX

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My 300zx got smoke issue but im not sure.smoke come both sides when i start the car.it got little oil leak from turbos.but once engine got hot the smoke goes away.when driving it doesnt smoke.but it...


It sounds like you may need valve seals.
The oil sits in the head after the engine is cut off and leaks around the seals into the cylinder.
When you start the engine it burns the oil and sends the smoke out of the tailpipes.
It does not hurt anything much if it is not to bad.

Jun 04, 2009 | 1990 Nissan 300ZX

2 Answers

Nissan 300zx starts smoking when reaches tempture


trust me its one of the turbos if you take it out for a spin get the turbos working there will be no smoke leave it ticking over for 2-3 mins and the smoke will start if this is the case it is one of the turbos i had it with a new pair

Feb 19, 2009 | 1990 Nissan 300ZX

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