why? why? sr dies???

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sr20det
Posts: 245
Joined: Wed Oct 30, 2002 5:09 pm
Car: Drifting, draging, silvia projects

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anyone knows why the sr dies after i rev all the way to 7000 rpm and drop all the way to ZERO and the engine dies? it dont idel after rev but idels when start ??? why?? why???:help :help


rtsol
Posts: 377
Joined: Sun Dec 01, 2002 8:53 pm

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BOV not recirculated?

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SpeedRacer1
Posts: 3144
Joined: Fri Jul 26, 2002 7:44 pm
Car: 1990 240SX, G35

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Id say bov if its atmospheric is your problem. Do you have an atmospheric (aftermarket) bov?

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Ace
Posts: 583
Joined: Tue Jul 30, 2002 8:35 am
Car: S14

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If it isn't the BOV then you should bring your idle up. You can turn a screw in the middle of the intake mainfold. Its in between the #2 and #3 intake ports. You'll see it. When I was dying at idle when I came to a stop I adjusted the idle and it ran great and stopped dying.

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SpeedRacer1
Posts: 3144
Joined: Fri Jul 26, 2002 7:44 pm
Car: 1990 240SX, G35

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If it still tries to stall after you've raised the idle, just tap the gas. That way when its on its way down (due to starvation of metered air) it will be like giving it a little bit of air. Your AIV may be messed up too. So it could be the BOV, the AIV, or a combination of the two.

sr20det
Posts: 245
Joined: Wed Oct 30, 2002 5:09 pm
Car: Drifting, draging, silvia projects

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yah, i got an HKS BOV that have two vacum hose. i know where one goes but the oter i dont know any idea where the other one went??

vangj
Posts: 157
Joined: Fri Feb 21, 2003 8:11 pm
Car: Cars, Sports

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So you can adjust the screw in the middle of the intake manifold? that's the AIV right? My car dies on idle too. I've never tried adjusting the screw in the middle fo the manifold before though. I'll have to try that. It's that white, big phillips head shaped screw right? I've only adjusted the little screw on the throttle.

I was also told that what might be causing it is that my AIV might be dirty and I might have to take it out to clean it. I still have to try that also.

Hey SR20DET guy, a good way of making the car not die on idle is: When your going to stop or go to neutral, keep it in gear until your rpm drops to about 1,000 - 1,500 so that it can catch itself, then switch to neutral. This is what I do.

sr20det
Posts: 245
Joined: Wed Oct 30, 2002 5:09 pm
Car: Drifting, draging, silvia projects

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thx for the advice you all..... :)

QuinGarcia
Posts: 119
Joined: Fri Oct 18, 2002 11:43 am

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what is bov?? aiv?? what do they do?

MikeS14240sx
Posts: 381
Joined: Wed Jul 24, 2002 12:06 pm
Car: 98 Nissan 240SX

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QuinGarcia wrote:what is bov?? aiv?? what do they do?


http://www.alltrac.net/tuning/bovfaq.html

Good luck with your little science experiment, by the sound of it your going to need it.:)


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