Question about 1988 Nissan 300ZX

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Fuel pump wont shut off

I have a nissan 300zx non turbo when i plug in my blue adapter to my fuel pump it makes a noise like its loosing pressure in the gas tank and in the top middle of the engine the fuel pump wont shut off so i unhook it after im done driving it any ideas?

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REPLACE FUEL PUMP RELAY.SOUND LIKE ITS STAYING CLOSE..

Posted on Jun 06, 2010

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Posted on Jan 02, 2017

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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.

Jul 26, 2015 | Nissan Cars & Trucks

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1985 Nissan 300ZX I want to disable the fuel pump to relieve the pressure before replacing the fuel filter. Is it a relay or a fuse?


No need to remove any relay. Proceed as follows:
- Park the car in shaded and well ventilated area.
- Remove the negative battery terminal.
- Loosen the fuel cap, fuel filter banjo bolt, push on or pipe clip.
- Wrap a piece of cloth around the connecting end of the pipe and remove the pipe.
CAUTION:
Let the engine cool down about half an hour before you proceed.
Keep your eyes away from the gasoline splash.
Keep any flame away.
Dry up the area immediately.
NOTE:
It is always better to get the job done by a qualified personnel.

Feb 23, 2014 | 1985 Nissan 300ZX

1 Answer

Replace fuel pump om 1990 nissa 300zx


Sort of.
There should be a relay that provides power to the pump when you first turn the key on.
Then once the engine starts power is provided by way of the oil pressure switch. That way the pump won't run in an accident.
The oil pressure switch grounds the fuel pump relay on some models.

Jul 21, 2012 | 1991 Nissan 300ZX

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Have a 1986 nissan 300zx V6 non turbo wont start, hear fuel pump runnung no oil pressure on gauge replaced oil pressure unit still wont start any helpful advise


a oil gauge reading maybe delayed until car starts and builds good oil press.Did you check for spark
was car running good before this happened? Do you have a rpm reading when cranking car?

Nov 02, 2011 | 1986 Nissan 300ZX

1 Answer

I have a 1986 non turbo Nissan 300zx Awhile ago,


About the only thing left is the Ignition Control Module.

Jan 13, 2011 | 1986 Nissan 300ZX

1 Answer

I have a 91 300zx non turbo won't start


Are you sure the new belt didn't jump time? How was the belt tensioner when you replaced yhe belt? Did your water pump leak onto or into your crank sensor?Are you sure you have proper fuel pressure?When you replaced the timing belt, did you make sure to find top dead center on cylinder 1 ? Just lining up the timing marks may not have worked if this is indeed what you did.If you had the crankshaft rotated 180 degrees, your motor would be trying to fire on the exhaust stroke, instead of the compression stroke. To find T.D.C. disconnect your battery,rotate your crankshaft until the piston that is marked #1 in your firing order is at the top of its stroke, this can be accomplished by carefully inserting a wooden or plastic dowel into the sparkplug hole of cylinder#1. The dowel will rise with the piston and at the point where it starts to fall will be T.D.C. Now your timing marks should line up,and you will then be on the compression stroke. good luck! hope this helps

Feb 14, 2010 | 1992 Nissan 300ZX

1 Answer

How to change flywheel on 1990 300zx non turbo?


pull the transmission. remove the torque converter (automatics) or clutch and pressure plate (standards), the bolts for the flywheel are under that. make sure you replace the flywheel with the proper one especially if it's a standard.

Sep 02, 2009 | 1990 Nissan 300ZX

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86 300zx Turbo stumbles at high rpm


This is more complex and you won't find anyone to give you advice. Dealer solution on this one.
Sometime they don't even know and guessing.

Maybe it's time to buy another car?

Apr 09, 2009 | 1986 Nissan 300ZX

1 Answer

1992 Nissan 300ZX wont start


may wanna check the distributor could be outta whack (timing).

Sep 15, 2008 | 1992 Nissan 300ZX

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