Re: Fuel delivery diagnosis

[thescirocco@juno.com]

On Wed, 26 Dec 2001 16:15:47 -0500 "Rick Alexander"
<rick@brubakerbox.com> writes:
> Today my '87 1.8L 16V started stumbling and bucking. Along with this 
> was an erratic sound from the pump. So thinking, "I've heard that
before", 
> I stopped by the import flaps and picked up a new Bosch pump (ouch!). 
> I'd been driving with the fuel gauge in the red for a while so I
stopped and 
> topped up with the best there was (92 octane). Lo and behold the
stumbling 
> stopped, the bucking disappeared and the noise from the pump became
more 
> regular.
> I've been feeding 91 octane plus so that is a constant here. The 
> point of all this is to ask if I'd be wrong with the assumption that my

> problem is with the transfer pump and not the pressure pump. I know
that a 
> weak transfer pump will hasten the demise of the pressure pump but if I

> can put my spare transfer pump in and do the pressure pump at a later
date 
> that would be great.
> 
> Rick Alexander
> http://www.brubakerbox.com
> http://clubs.hemmings.com/hams/
> http://clubs.hemmings.com/vwsrus/

Sounds like the transfer pump...

It could also be that the pickup/screen came off the pump.
This happened to Laurie's '86 Jetta GLi, whenever it was in the red, it
would hesitate, especially around turns.

HTH!

Peter  http://thescirocco.com - http://tttuning.com - Peloquin -
http://quaifeamerica.com/ - http://www.magnecor.com/ -
http://ronalusa.com - Discount dealer -  Bear, DE 19701 '79 Scirocco 16V,
'83 GTI,  '84.5 Scirocco 
'84 GTI - SciRollers: '79 , '84 , '88  
http://feedbyte.com 

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