And the problems keep a coming

A General Discussion forum for cars and other topics, and a great place to introduce yourself if you are new to NICO!
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RH300ZX
Posts: 102
Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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Well I went to spray my car off and went to start it afterwards and it was dead???? I ahven't figured that one out yet, but i went to get a new battery and she seems to run fine........but here comes the gas smell through the vents.....oh what could it be but a fuel leak somewhere...My car is not having a good month...



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nsrZ32
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Car: 90 Nissan 300ZX TT
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Fuel smell is a common problem on the Z32's, especially when the weather changes. Grab a screwdriver and go under the hood and tighten all the clamps on the fuel lines, I can guarantee they won't all be tight.

MaineExport
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Car: 95 Nissan 240SX FAL fans AEM intake Hot Shot header Apexi N1 dual Exhaust VLSD ABS NX 50 shot

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RH300ZX wrote: Well I went to spray my car off and went to start it afterwards and it was dead???? I ahven't figured that one out yet, but i went to get a new battery and she seems to run fine........but here comes the gas smell through the vents.....oh what could it be but a fuel leak somewhere...My car is not having a good month...
That's a sure sign that it's about to blow up and be worthless. You better sell it quick and cheap... hey... I'll take if off your hands for like $150. Deal?

Aaaaaaaaaanyway......

If it died after you washed it or sprayed it off... then your ignition is probably crap. The new battery helping out is more likely due to the fact that the ignition wiring had time to dry off.

Replace your wires, cap, rotor, plugs..... that might help!

UncleBen
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Werd^^

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RH300ZX
Posts: 102
Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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Thanks! I am new to the Nissan biz, the gas smell was getting out of hand. I was afraid to drive it anywhere.

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RH300ZX
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Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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"You better sell it quick and cheap... hey... I'll take if off your hands for like $150. Deal?"

Well since I just bought the thing, I don't think so. And if it was to blow up a new engine would be lying in it...lol

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GEO
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Mostly likely like stated, its prob your ignintion wires, ect..

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AZhitman
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Well, since it's not going anywhere, get out there and shoot some MORE PICS!!!!

I wanna see more of this Z.

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RH300ZX
Posts: 102
Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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Oh I have plenty of pics including the new addition...I'm gonna stomp on her bumper and split in two....

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nsrZ32
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Oh for what its worth....don't listen to the new wires, cap, and rotor crap. The Z32 (90-96) 300ZX's have a distributorless ignition (DLI) system and have an individual coilpack for each cylinder, just make sure the plug is tight. There is no distributor cap, no ignition wires, no rotor, none of that junk.

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RH300ZX
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Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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I put more pics on cardomain.com my id is MY300ZX2+2

MaineExport
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Car: 95 Nissan 240SX FAL fans AEM intake Hot Shot header Apexi N1 dual Exhaust VLSD ABS NX 50 shot

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nsrZ32 wrote:Oh for what its worth....don't listen to the new wires, cap, and rotor crap. The Z32 (90-96) 300ZX's have a distributorless ignition (DLI) system and have an individual coilpack for each cylinder, just make sure the plug is tight. There is no distributor cap, no ignition wires, no rotor, none of that junk.
Wow... never knew that.... sorry. But there still has to be a contact point between the sparkplug and the individual ignition coils. And those ignition coils have to get juice as well.

Just going on my experience with engines of all kinds and variations... ATV's, Dirtbikes, tractors, cars, trucks, go carts..... if they get wet and don't start... it's USUALLY bad ignition (especially for fuel injected). If it was the battery there would likely have been more (and very different) symptoms building up to this.

By the way... what's with the gas smell? Are the lines just inherently leaky, or is there some other issue with Z's?

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Mr1der
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and here I was crafting a dunce cap for you maine....

MaineExport
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Mr1der wrote:and here I was crafting a dunce cap for you maine....
Don't put it away... I still deserve it!

My only defense... I was drunk at the time... wait no... I already used that excuse to explain the giant sores on my..... uh nevermind...

Ummm.... I've never worked on a Z... there we go... that's a better excuse!

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nsrZ32
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Car: 90 Nissan 300ZX TT
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MaineExport wrote:Wow... never knew that.... sorry. But there still has to be a contact point between the sparkplug and the individual ignition coils. And those ignition coils have to get juice as well.

By the way... what's with the gas smell? Are the lines just inherently leaky, or is there some other issue with Z's?
Ok....you still get the dunce cap but I'll let it pass Z's are complicated and intimidating at first until you get beneath the surface.

As for the ignition system....here's a picture showing how its laid out with the individual coilpacks and the connectors that run to each off of the main wiring harness. Chances are all she needs to do is clean the connectors and snap them back on, very rarely do the coilpacks go bad.

Make sense??

Ok now on to the fuel system.....there's rubber fuel lines everywhere on the Z32's and its a common issue to get the fuel smell. Thank go I went braided and rerouted everything so I have no problems now. Anyways, here's a write up on what causes it and how to remedy it....

If the smell of fuel comes from the air vents it's probably originating from the fuel damper, fuel pressure regulator or loose interconnecting hoses. Other parts could be at fault such as the fuel filter connections or fuel injectors.

Fuel smells will usually start during colder weather, since the parts contract even more in the cold air during a thermal cycle. Hose clamps often work loose. When a fuel smell is noticed inside the car, examine it ASAP, there is an EXTREME DANGER of a car fire starting. This is no way to loose a perfectly good car.

Parts needed to replace everything if not just tightening the clamps...1. Fuel regulator assembly (part 2267010Y00, approx. $50) 2. Fuel damper assembly (part 2267510Y00, approx. $50) 3. High pressure fuel hose 15-18 inches (part 8959080, approx. $15) 4. Protected fuel hose (part 1644030P11, approx. $40)

The fuel pressure regulator keeps the pressure in the fuel system (including the fuel tank) at 43.4psi., so the cylinders can get enough fuel when throttle is applied. It takes some of the pressure built up in the manifold to increase the fuel pressure.

The fuel damper fits between the fuel filter and injectors. It reduces the pulsation caused by the fuel pump, which is back in the fuel tank.

Procedure....1. Check the fuel hose clamps making sure they are tight. 2. Look for visual signs of discoloration around the fuel damper and regulator on the hoses. 3. Try putting just a little talcum powder around the hose where it connects to the devices. Check after starting from cold and warming the car up to see if it looks damp. If so, that's the faulty part. 4. If a part is found or suspected to be faulty, replace the connecting hoses as well. 5. The 'protected' fuel hose exiting the fuel damper (to the right) is a special part, it doesn't come from a roll of hose.

On a side note...1. Always use Nissan high-pressure fuel hose, anything else could be very dangerous. 2. Always relieve the fuel pressure when working with these parts.3. Always expect some fuel to spurt out when you disconnect a part, even after relieving fuel pressure.

Whew that was long. Anyways that's how to go about replacing everything on a STOCK fuel setup. When I get home later I'll dig up some pics of the setup before I went crazy custom and put up a few snap shots if you like.

Either way, hopefully this will help fix her car and at the same time educated some of you on the little bits of the Z32

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RH300ZX
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Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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Well it sure is nice to have you on here. I was actually looking at those yesterday. Thanks a lot. Hopefully I can get it running again this weekend.

And a little side note if anyone can look at my post about Vandals let me know if you all think the bumper is fixable. If not clue me in on a new bumper style.

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RH300ZX
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Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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Well now that the gas problem is fixed...thank god....it was pouring....Now it seems it isn't running on all 6 cylinders....something tels me it's gonna be new motor time.

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Mr1der
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fun fun fun!

think my car is slowly losing compression...

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nsrZ32
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You don't need a new motor. Little issues on Z32's are not uncommon. If its something you can't figure out take it to a reputable shop, they'll get you squared away.

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RH300ZX
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Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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Can you all believe the guy I bought my car from put strobe lights in my headlights....

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Mr1der
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thanks for the nightmares!

I should take pics of my brother's sometime....

to his credit, the TT front bumper did replace the busted NA one...but it's still maroon on a silver car...

gibbo80
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nsrZ32 wrote:Oh for what its worth....don't listen to the new wires, cap, and rotor crap. The Z32 (90-96) 300ZX's have a distributorless ignition (DLI) system and have an individual coilpack for each cylinder, just make sure the plug is tight. There is no distributor cap, no ignition wires, no rotor, none of that junk.


Probably a good thing someone new that or it could of been a little embarrassing

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RH300ZX
Posts: 102
Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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AZhitman wrote:Well, since it's not going anywhere, get out there and shoot some MORE PICS!!!!

I wanna see more of this Z.
You can go to cardomain.com and see them. My name on there is MY300ZX2plus2

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Jesda
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gibbo80 wrote:

Probably a good thing someone new that or it could of been a little embarrassing
I made that error when I bought my Q. I went around to parts stores asking if they had spark plug wires for my car. None of them did, and I was quite confused.

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nsrZ32
Posts: 20795
Joined: Fri Oct 15, 2004 8:27 am
Car: 90 Nissan 300ZX TT
78 Datsun 280Z
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No easy way to search user name on cardomain....so I spent awhile searching under Z's on there and came across tha page. Here's the link for everyone...http://members.cardomain.com/my300zx2plus2

For what its worth, you've earned a couple points by being cool on the forum, but I still can't get with the supra tails on that car. They don't flow with anything....and they're off of a toyota.

So I gotta ask, since I didn't before (because I like to assume lol) did you buy the car like that? And if so what are your plans for it and what do you plan to change, modify, etc?

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Mr1der
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I too agree with you on the tail lights...

seems it'd probably be a pain in the *** to change them out though what with the bodywork done to it...this calls for 240Z LED tails! The color really reminds me of Carlos' S14 only his is a candy job.....

I do believe a good blue would be beneficial. and maybe taking one of the two wings off

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RH300ZX
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Joined: Mon Nov 22, 2004 5:16 pm
Car: 1990 Nissan 300 ZX

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nsrZ32 wrote:
So I gotta ask, since I didn't before (because I like to assume lol) did you buy the car like that? And if so what are your plans for it and what do you plan to change, modify, etc?
Oh you don't want me to go there. Yes I bought the car the way it is..everything about 4 months ago because my Stang caught on fire and it was the only 2+2 I could find at the moment . I would love to have skyline tailights in it, I liked the idea of the ones that are on it but they seem to small and too high for where they are at. Before someone stomped my bumper I was getting ready to upgrade the interior but now I don't know what to start with. I wish there was some more things to do to the engine, it needs more HP. But since we have a 3 year old she pretty much takes all the $$$..lolBut hopefully being on here will give me a way to go.

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Mr1der
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mwhahahah another Ford owner...

how'd it catch on fire? (and was it merely a V6? nobody cries over lost V6 models...well, few cry over GT's either...)


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