AUDI TURBO "FUEL STARVATION"

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <34953522.FC0FE62F@poboxes.com> Gerard writes:

> It would seem that this might be relating back to your WG mod. The
> ECU should cut back on the fuel as far as I understand. Someone
> on the list should verify that. The mod that gets done in the ECU
> when going for higher boost is to modify that fuel pump cutoff
> tables. Since you're running high boost and fooling the computer
> the ECU is cutting back and you see it in starvation.

You also see it in your head nearly going through the windscreen.  When the ECU 
decides to cut the pump, it's like hitting something heavy.  Like a moose.

> To this end, if one goes to higher boost and raises the fuel cutoff
> tables to higher levels, would it not be beneficial and safer to fit
> a higher capacity pump?

The Audi pumps are rated at around 900ml per 30 seconds at low pressure.  That 
should be more than enough.

-- 
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club