[200q20v] how to replace fuel injectors 200q20v

[Kneale Brownson]

Drill off the head of the screw?   Dremel a slot in it for a flat-bladed 
screwdriver?  Weld something you can twist to the screw?


At 02:38 PM 07/24/2001 -0400, Chris Covington wrote:

>Well apparently there will be no changing the fuel injectors in this
>200q20v EVER.  Everything went well until trying to remove those 5mm hex
>screws that mount the rail in, the first one was really torqued in but
>eventually came out and the second I stripped.  So now that rail is
>permamently in place along with all the injectors as they are.  Damn am
>I pissed.
>
>Chris
>'91 200q20v
>
> > -----Original Message-----
> > From: 200q20v-admin at audifans.com
> > [mailto:200q20v-admin at audifans.com] On Behalf Of stevequattro at aol.com
> > Sent: Tuesday, July 24, 2001 2:13 PM
> > To: 200q20v at audifans.com
> > Cc: s-car-list at yahoogroups.com
> > Subject: Re: [200q20v] how to replace fuel injectors 200q20v
> >
> >
> > In a message dated 01-07-24 12:01:53 EDT, you write:
> >
> > << 200q20v at audifans.com >>
> >
> >
> > Chris,
> > I do not subscribe to the "if it aint broke" business in many
> > cases. This is
> > one of them. I rely on this car to carry my wife and kids
> > wiothout incident
> > and replacing items that I know are possibly or will
> > eventually fail/perform
> > poorly before they do has worked well for me so far. Of
> > course this is on
> > cars that I plan on keeping long enough to enjoy the new
> > parts till they
> > expire.
> > When I suspected that my injectors were amiss, I pulled them
> > and sent them to
> > Marren Motorsports for inspection/testing and cleaning.
> > It was very easy to remove them:
> > 1. Two allen head bolts (6mm I think) to loosen the rail.
> > 2. I removed the rear fuel line from the rail to allow free
> > movement of the
> > rail. The front fuel line had a long enough SS flexible
> > portion that it did
> > not inhibit rail movement.
> > 3. Remove the clips at the top of the injector and gently
> > pull the rail off
> > each injector.
> > 4. Remove the electrical connection to each injector.
> > 5. Gently pull the injectors out.
> > Total time ~ 15 minutes
> > Of course I changed the fuel filter as well, add another 4 minutes.
> >
> > Marren tested the resistance first to be sure none of them
> > were bad. Then the flow rate and spray pattern were checked
> > on each injector 3x before
> > and 3x after, and then they were leak tested.
> > I recieved a print out of all this.
> > Three of my injectors had a poor spray pattern, all came up
> > dirty on the
> > reverse cycle, and had a 6.5% diference in min/max flow rate.
> > All injectors had a good spray pattern after their service.
> > Also the flow
> > rate increased from about 2ml/min on the ones that were
> > already clean, to
> > almost 7ml/min on the dirtiest ones. More importantly, they
> > were all within
> > 2% of each other when they were done.
> > The car seemed to run and idle smoother. I can't keep my foot
> > out of it long
> > enough to see if mileage was affected though.
> > The cost was $23.75 per injector plus shipping and I got them
> > back in less
> > than a week.
> > Good Luck,
> >
> > Steve Hauptmann
> > Columbia, SC
> > 200 20v 132,000mi
> > stevequattro at aol.com _______________________________________________
> > 200q20v mailing list
> > 200q20v at audifans.com http://www.audifans.com/mailman/listinfo/200q20v
> >
>
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