fuel injection probs- coupe gt

[Alan Pritchard]

cheers for the advice but im inclined to think it isnt just a dodgy injector
because when the car pulls through the really rough spot it pulls extremely
quickly and cleanly,  i may check the regulator out, by disconnecting it
electrically, and by disconnecting the vacuum line
----- Original Message -----
From: "Ameer Antar" <ameer at snet.net>
To: <quattro at audifans.com>
Sent: Wednesday, October 11, 2000 9:53 PM
Subject: Re: fuel injection probs- coupe gt


> you need new injectors, but make sure there are no vac. leaks ANYWHERE.
> There's not really anything you can adjust in the distributer or warm-up
> regulator. The only screw to adjust idle mixture is the 3mm hex screw
> between the fuel dist. and air-flow valve. But the injectors have to be in
> perfect working order in CIS. If one of the injectors that you cleaned to
> the best of your ability didn't work, the rest are probably in not much
> better of a state. Do all the standard checks while you wait for injectors
> to arrive. you're gonna need 'em in a couple hundred miles anyway, so yer
> better off doing it now.
>
> -ameer
> '84 5kT
>
> At 04:04 PM 10/11/00, you wrote:
> >well ive got my car back together, and fitted a second hand fuel
injection
> >system which i stripped and cleaned to the best of my ability.  when i
fired
> >the car up it ran badly and wouldnt idle. after a plug inspection, and
> >felling the manifold i determined that no 1 was bad, i checked the
injector
> >out of the car and it let very little petrol through, so i swapped it for
> >one of my old ones, the car was better, to get it to idle better i had to
> >wind the screw out by 1.5 to 2 turns, all better now.  i then drove the
car
> >home, it was perfect to 2 grand, then major flat spot/rough running, at
3250
> >it cleared and the car rocketed better than it ever had done before.
> >   when i checked the plugs before i also notice no3 seemed very wet.
> >my question ...... what happens at 2000-3250 revs that would make the car
> >undriveable, i considered leaning of no3 (i presume thats what the screws
> >are for by the injector take off points)  but thought it may be something
> >else ie. 6th injector...... aux air valve, or regulator.....
> >when i stripped the system i removed the gauze from the fuel
distributor,.
> >and the one from the regulator.
> >any help/questionss would be great
> >thanx
>