Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Nissan 370Z General Discussions (http://www.the370z.com/nissan-370z-general-discussions/)
-   -   Help ASAP (http://www.the370z.com/nissan-370z-general-discussions/113727-help-asap.html)

jchammond 05-08-2016 08:51 PM
i've seen numerous manufacturers not set an engine code with low fuel pressure/no start....sometimes will throw a PO300 random misfire;because of it-but not always.
Never tried it on a Z; but other cars will run on brake cleaner,,,to eliminate an ignition failure.

Rusty 05-08-2016 08:55 PM
Quote:
Originally Posted by ZeeingAround (Post 3476755)
Engine warning light should come on with low fuel pressure, but I am not sure where it is measured. Check the fuel filter too.
No lights will come on with low fuel pressure. Been there, done that. :shakes head:

OP's fuel pump might be in the early stages of failure.

FairladyZ40th 05-09-2016 04:02 PM
Help ASAP
 
Quote:
Originally Posted by Vichtz (Post 3476580)
Not really sure where to put this but I need help quickly. I have formation all week and go to ranger school in 7 days so really need to get this figured out before I go. Heres whats going on. Was driving car. Began to get clunky. Would accelerate but just barely. Sounded starved but I have a 3/4 tank. Finally died while driving.

No Codes are were thrown.
Checked radiator levels and all seems normal.
No rainbow reflection in coolant so dont think i blew a gasket.
Oil seemed low but I'm not convinced that would kill the engine while driving.
Battery is fine as all electrical systems work.
No leaks or liquids on ground.
Car will turn over sometimes, will start then die sometimes, or mixture of the 2. (see video)

Im really stumped on this one. I really need to get this fixed so any help would be great. Thanks a lot guys/gals.

http://www.youtube.com/watch?v=w8ddim2Dfk8


Clean your MAF sensors and throttle bodies then do the idle relearn it helped my issue for the most part but definitely look into your fuel as well because a combo of the two will rain havoc haha codes don't show up and it's not a mech issue so yeah.

JARblue 05-09-2016 05:01 PM
Quote:
Originally Posted by Vichtz (Post 3476624)
The Z doesn't have a simple way to check fuel pressure does it? I need the adapter right?
Phunk sells a fuel pressure gauge that goes in the engine bay :twocents:

http://www.the370z.com/drivetrain-en...gauge-kit.html

Rusty 05-09-2016 08:24 PM
Quote:
Originally Posted by JARblue (Post 3477250)
Phunk sells a fuel pressure gauge that goes in the engine bay :twocents:

http://www.the370z.com/drivetrain-en...gauge-kit.html
When I had my fuel pressure problem. I install one of phunk's gauges. :tup: I was the first one to do so. :D

There is no simple way to check fuel pressure on the Z. :( Other then installing the gauge.

Ghostvette 05-10-2016 09:45 AM
Someone mentioned checking the fuel filter. Our car doesn't have an inline filter, so the only 'filter' is the one attached to the fuel pump in the tank. IMHO, if you are dropping the tank to look, might as well put a new pump and strainer in there. It seems silly to expend the time and effort to drop a gas tank just to inspect the strainer and not replace old parts.

My advice, can of seafoam in the tank, get some good gas (other than on post) and :driving:

Rusty 05-10-2016 02:08 PM
Like Ghost said. There is no inline filter. The filter is on the bottom of the pump. It's one of those nylon filter bag screens. That's the best way I can describe it. You don't have to drop the tank to get to it. Just move the passenger seat all the way forward, or remove it. Pop the cover off the flat shelf where the manual hides at with a flat screwdriver. Remove the insulation. Under that is the fuel pump.

barncobob 05-10-2016 03:06 PM
sounds like my old 65 sunbeam tiger, pump was RIGHT behind passenger seat:eekdance:

DeadM0nkey 05-10-2016 06:45 PM
I recently had these exact symptoms. The mechanic said the fuel pump had fallen off its bracket and was laying on its side in the tanks. This is why the gauge read half tank even though it was out of gas. Mechanic said he had never seen it before in his career.

Vichtz 05-12-2016 11:31 AM
Quote:
Originally Posted by DeadM0nkey (Post 3477897)
I recently had these exact symptoms. The mechanic said the fuel pump had fallen off its bracket and was laying on its side in the tanks. This is why the gauge read half tank even though it was out of gas. Mechanic said he had never seen it before in his career.


This is precisely what I was thinking but also didn't think it was possible without causing a leak. At any rate I'll just keep the car at 3/4 till ranger school Sunday. I'll definitely be looking further into this when I get back. Thanks a lot for all the help guys. Y'all really saved my bacon. As dumb as it is I never would have thought to put more gas in my car when it was 3/4 full haha. Appreciate you guys, thanks.

Rusty 05-12-2016 01:47 PM
1 Attachment(s)
Quote:
Originally Posted by DeadM0nkey (Post 3477897)
I recently had these exact symptoms. The mechanic said the fuel pump had fallen off its bracket and was laying on its side in the tanks. This is why the gauge read half tank even though it was out of gas. Mechanic said he had never seen it before in his career.
Ain't going to happen with a Z fuel pump. The pump sits down inside this white canister. Follow the black hose that makes a u-turn from the left side to the center. In the center is the fuel pump. Under it is the fuel pump screen. You can also see one of the level floats just to the right of the bottom of the canister.

SteveBad 05-12-2016 11:42 PM
I know this sounds whacky, but CHANGE THE BATTERY in the "intelligent key".

Had same symptoms........changed the key battery, instantly OK.

MagmaRed370z 05-13-2016 01:02 PM
Quote:
Originally Posted by SteveBad (Post 3479367)
I know this sounds whacky, but CHANGE THE BATTERY in the "intelligent key".

Had same symptoms........changed the key battery, instantly OK.

:tup:Nice! OP should try it. I would be funny to see if this resolves the issue :tup:

Vichtz 05-13-2016 02:05 PM
I actually tried that same day. No change.


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