wat could cause low vaccum

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08-11-2010, 11:03 AM

#26

06_ion2

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Quote:

Originally Posted by kxrida2000

He wont answer no one at zzp will

Post a thread in the zzp section then, thats BS.

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08-11-2010, 11:04 AM

#27

BLAZIN07SS

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Quote:

Originally Posted by kxrida2000

Well here is the thing...I have zzp boost reference fuel system an I have it hooked up but I looked at my regulator in my tank and I cant take the ball an spring out like zzp say cause my regulator is a sealed unit...so its not really doing anything is IT? and could this be causing the issue with rough idle and way too much fuel at idle

so the regulator is still in the tank? it needs to be removed completely from my memory. you probably have about 70psi of fuel pressure at idle right now

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08-11-2010, 11:06 AM

#28

kxrida2000

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Quote:

Originally Posted by BLAZIN07SS

so the regulator is still in the tank? it needs to be removed completely from my memory. you probably have about 70psi of fuel pressure at idle right now

So this could dedinatly be causing my issue? Or not really all this is new to me man I'm sorry for all the questions if u ever new a v8 built I'm your man haha

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08-11-2010, 11:12 AM

#29

BLAZIN07SS

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okay i just read up on the zzp brfps. its only stated to work with the 2.0lsj and 2.4le5? maybe the 2.2l61 is different?

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08-11-2010, 11:17 AM

#30

06_ion2

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Quote:

Originally Posted by BLAZIN07SS

okay i just read up on the zzp brfps. its only stated to work with the 2.0lsj and 2.4le5? maybe the 2.2l61 is different?

It should be the same

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08-11-2010, 11:20 AM

#31

kxrida2000

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Quote:

Originally Posted by BLAZIN07SS

okay i just read up on the zzp brfps. its only stated to work with the 2.0lsj and 2.4le5? maybe the 2.2l61 is different?

Well do u know of any other way to lower fuel pressure because I know I'm getting way to much at idle an there are other 2.2 cobalts turboed so irk why I'm having this issue I'm on 60 and stock fuel rail so idle its doing that

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08-11-2010, 01:14 PM

#32

Jn2

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Quote:

Originally Posted by kxrida2000

what is the most effective way to do a leak down lest on my whole system? engine a tdc and how do i actually pressurize it?

u need to take off the charge pipe from the turbo and hook up a air compressor to it, set the compressor to a psi slightly higher than what you normally run, make sure engine is TDC so the valves are closed and air doesnt leak into the engine and out the exhaust...if it hold the pressure than your good, if it doesnt, listen for the leaking air...