It is Home

[amalventano1 at tds.net (Allyn)]

Back pressure on the plate does indeed come from the fuel pressure itself, so higher than normal pressure is a possibility, but in
that same case, it would be more difficult to manually raise the plate.  Even with a frozen fuel pressure regulator, it is unlikely
that the plate would stay "down hard" under starting vacuum, so I wouldn't discount a split intake boot or some other cause of
insufficient vacuum at the flap as possibilities.  Full vacuum across that plate results in ~90 lbs of force.

HTH
Al


> -----Original Message-----
> From: Brian Wagner [mailto:dagnamit@gmail.com] 
> Sent: Sunday, February 25, 2007 8:37 PM
> To: Scirocco list
> Subject: It is Home
> 
> All right with the help of a friend with a trailer the 88 is home.
> 
> Started looking at it right away with in 1 hr I had it 
> started but can't get it to idle. and after you let the revs 
> down it won't start again. Now to over come this and it works 
> every time and the idle is smooth, if I remove the intake 
> boot and raise the air flow flap with the key on and hold it 
> for a second and give it a shot of fuel it fires. Then by 
> manipulating the throttle and the flap at the same time the 
> car idles perfectly, I have noticed also as the ignition is 
> keyed the flow plate is pushed down hard, so the air is not 
> over coming the the pressure which is not allowing the fuel 
> to be metered (thats why when I do it manually it runs). All 
> right collective what is the cause of this problem I am 
> thinking fuel pressure regulator is not reducing the fuel 
> pressure to the metering valve, causing the high pressure at 
> the metering valve (I took the vacuum line at the FPR and it 
> smells of gas). Let me know what your thoughts are on this 
> and it is an 88 16v.
> 
> 
> 
> Brian
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