Car wants to die

[ilovecoupes]

Okay I finally got my CA started but affter about 2 second of ideling the car stalls and dies. Except for the 4 metal lines on the intake manifold, i don't know what is supposed to be ran to them. I got a BOV off of my friends DSM, don't know if that could be a problem. could this problem be do to a bad relay i.e. EGI?

Thanks in advance

[dattodude]

have you checked fuel pressure?

air leaks will make an engine with an airflow meter stall. Does the BOV leak?

unlikely to be a relay..but I guess it's a 2% chance.

if you rev it.. then it doesn't stall?

[ilovecoupes]

I don't think its leaking air. and how do i check for fuel pressure, because i hear the fuel pump's humm. And to keep it running i have to romp on the gas and still is stumbles and dies. It feels like i have a giant vaccum leak, but there isn't one!

oh, and at the moment im not running an o2 sensor cause my swap didn't come with one. I said a fuse because my egi fuse was buzzing but went away. Anything else?

[Woods Crasher]

Try to pump the throttle a bit to get the revs up with out stalling. And try to hold at at like 1500 - 2000 for about a minute......sounds like the classic cold start issue to me

[ilovecoupes]

Try to pump the throttle a bit to get the revs up with out stalling. And try to hold at at like 1500 - 2000 for about a minute......sounds like the classic cold start issue to me

i tried that but i cant get the rpms stable they just want to jump around

[ilovecoupes]

Also what is the deal with the four metal lines on the side of the intake manifold?

[Zero260]

if you don't have an o2 sensor on there the computer is going to run in limp mode, and dump extra fuel into the cylinders, that is likely your problem. and the metal lines on the intake, if they're not hooked up, are they atleast plugged off?

[Jiggyfry]

The 4 metal lines between the intake runners are for vacuum hoses that go to the Butterfly control stuff (Tank, valves etc.). If you arent running the OEM setup then you should plug 'em up as they will cause you a vacuum leak.

[ca18datsun510]

Okay I finally got my CA started but affter about 2 second of ideling the car stalls and dies. Except for the 4 metal lines on the intake manifold, i don't know what is supposed to be ran to them. I got a BOV off of my friends DSM, don't know if that could be a problem. could this problem be do to a bad relay i.e. EGI?

Thanks in advance

they are vacuum bridges. as long as you have vac hooked up to your fpr and butterflies back ther you are fine for now with them diconected. also vacuum to the wastegate actuator and bov if you have one.

I don't think its leaking air. and how do i check for fuel pressure, because i hear the fuel pump's humm. And to keep it running i have to romp on the gas and still is stumbles and dies. It feels like i have a giant vaccum leak, but there isn't one!

oh, and at the moment im not running an o2 sensor cause my swap didn't come with one. I said a fuse because my egi fuse was buzzing but went away. Anything else?

you check for fuel pressure with a fuel pressure gauge.

egr relay buzzing, not fuse.

if you don't have an o2 sensor on there the computer is going to run in limp mode, and dump extra fuel into the cylinders, that is likely your problem. and the metal lines on the intake, if they're not hooked up, are they atleast plugged off?

thats not true during startup up.only after the car come up to operating temp and goes into losed loop.

check your brake booster. disconect the vac line and plug it up.

[ilovecoupes]

you check for fuel pressure with a fuel pressure gauge.

im an idot

check your brake booster. disconect the vac line and plug it up.

you mean unplug the big hose for the brake boster than clog it up with a bolt or something

The 4 metal lines between the intake runners are for vacuum hoses that go to the Butterfly control stuff (Tank, valves etc.). If you arent running the OEM setup then you should plug 'em up as they will cause you a vacuum leak.

so plug up all of the four metal lines on the side of the manifold.

[ca18datsun510]

do you have your fuel lines mixed up?

[ilovecoupes]

pluged up all the lines; and it didn't fix the problem

do you have your fuel lines mixed up?

im pretty sure i don't cause i switched them and then my car wouldn't start at all

top line is for the fuel filter line and the bottom line is for the return to the gas tank, correct?

[ca18datsun510]

off the top of my head, yes the top is feed w/ filter

[ilovecoupes]

i have a feeling its due to timing. But im not shure how to correct it if the car cant idel propely.

i guess get one of my friends to romp the gas while i move the CAS back and forth

[Woods Crasher]

so plug up all of the four metal lines on the side of the manifold.

yes...any vacuum port not used plug it up or the car won't run. Run down to your auto parts store and get vacuum caps for them.

[ilovecoupes]

yes...any vacuum port not used plug it up or the car won't run. Run down to your auto parts store and get vacuum caps for them.

i pluged up all the lines; and it didn't fix the problem

[frosti108]

dont worry well get that biatch runnin

[ilovecoupes]

can anyone tell me about the pressure regulator solenoid valve think this could be the problem?

[davidricardo86]

can anyone tell me about the pressure regulator solenoid valve think this could be the problem?

If you havent download a CA Factory Service Manual, i'd probably get one ASAP! That and a copy of the Nissan FAST version of it too. These two sources should have most if not all your answers!

The there is two "Pressure Regutor Solenoid Valves." They both work in the same way but for different reasons. One is for the turbocharger wastegate and the other for the Butterfly Vacuum Acutator(8-port ver.). These must be hooked up just like factory recommends. Its your engine though so only consider my advice.

[LT16speedTA]

Pull off that DSM BOV. They are ment to be recirculated and it is basically a huge leak because it constantly stays open. Take it off and you should be fine. Although usually the car will run fine at idle with the DSM BOV as long as it doesnt see any boost.

[ilovecoupes]

i have it hooked up like this guy

ill try to put a piece of pvc in its place


Modified by ilovecoupes at 3:24 PM 5/27/2007

[ilovecoupes]

if the MAF sensor is unpluged the car will idel rough at 2000 rpms