[tech] which fuel pump?

[rocco2nr@hotmail.com (Joe Doty)]

Sal,

The one that's underneath the car is really easy to change.  I always forget 
if its the transfer pump or the fuel pump.  My car's (16v) fuel pump was 
buzzy so I swapped it out for one from an 82 rocco.  Same part number.  It 
took like 30 min to swap.  CIS-E pumps have to hold lots of pressure (+80 
psi) so they are pretty high flow, apparently good for 300hp or so.  Not 
sure if there's a difference between the CIS fuel pump and a CIS-E one.

Joe

>My fuel pump apparently is on its way out.  The other day, once the motor
>was warmed up, it would studder and sounded like it was starving for fuel 
>in
>the higher rpms....today, once the motor warmed up, it just died on me.  30
>minutes later, once cooled down it started.
>
>I think that it's the fuel pump....is there a way I can check it and
>determine if that's the cause of the problem?  More importantly, if I 
>decide
>to replace the fuel pump anyways, which one should I get?  The one that
>belongs to the car or should I use a 16V scirocco pump?  Is there a
>difference?  Can I use another fuel pump to provide more power?


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