1990 Nissan 300ZX "high idle" Questions

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Question about Nissan 300ZX

1 Answer

...high idle for warming up your car. It has a bi-metal spring inside that rotates a disc closing off an airway to bring idle to normal after a couple minutes. If it dies it will stay open and give you ...

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...symptom of a IAC valve giving you trouble, try cleaning it up but ull probabbly will have to replace it have fun hope this helps my car use to idle high and i did the timing on it with a timing ...

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Question about Nissan 300ZX

1 Answer

high High idle in most cases is caused by a vacuum leak. Inspect the vacuum hoses and check the intake manifold gaskets as well as the throttle body boot for cracks or tares or loos connections on all

Question about Nissan 300ZX

2 Answers

High idle My 300zx idles high right after starting at aorund 2500 rpm then drops to about 1500 rpm after a minute or so. Is ther any way to adjust the idle? Or is ther something else going on? Thanks!

Question about Nissan 300ZX

1 Answer

...idle on high rpm check if when you will step on the gas pedal over 2500 3000 rpm the car will start shaking and the will die if thats happening then check your mass air flo sensor ,or if there is no ...

...high idle on my Nissan 300ZX what could cause this? I have a Nissan 300zx twin turbo 1990.... The engine and car are in very good condition ... well serviced... The idle speed will not go below 2000 ...

...and the car now cant idle,after the diognosis,the shown that there was pressure fail,but after changing the high pressure pump,the car still behaves the same try changing the scv suction control ...

High idle; 1500-2000 rpm; suspect idle control module? Heard that they can be removed and cleaned but is it a practicle solution or should replace. Also heard that leaking fuel injector seals can ...

...idle returns to normal if it does you need new brake booster has hole in diaphram internally some times slight hissing noise is evident in cab when pressing brake pedal to section where engine surges ...

idle high and wouldnt idle down if with the idle adjustment screw and he fast idling screw so is there anything else it could be oh and vacumm pressure is perfect. Hi,did you bleed the cooling system?

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