Fuel Injector Rehab

Henry A Harper III hah at alumni.rice.edu
Mon Apr 19 14:42:42 EDT 2004

I would like to be the first to say, Todd Taylor, that the 1991 200q20v runs
a Bosch Motronic electronic fully adaptive sequential fuel
ignition/injection system similar to that found in the 92 urS4, and you are
therefore wrong :)

The 3B engine in the 1991 200q20v was a precursor to the AAN of the urS4/S6,
if you had a 200q20v you would have known that.

It's true leaky injectors are more of a known problem on the CIS injection
as found on earlier 200 and 5000 turbos (among other cars).

Henry Harper
http://www.henry-harper.com hah at alumni.rice.edu
1991 200 quattro, 120k
1988 GTI 16v, 239k

> -----Original Message-----
> From: 200q20v-bounces+hah=alumni.rice.edu at audifans.com
> [mailto:200q20v-bounces+hah=alumni.rice.edu at audifans.com]On Behalf Of
> Todd Taylor
> Sent: Monday, April 19, 2004 12:21 PM
> To: TooManyAudis at aol.com; 200q20v at audifans.com
> Subject: RE: Fuel Injector Rehab
> Not sure injectors are your problem unless you have clearly identified a
> leak or leaks.  You can try replacing the 1 or 2 leaking injectors, if you
> see specific ones leaking, w/the original Bosch ($60-$70/injector at a
> discount import parts supplier).  Another less expensive
> alternative if you
> want to replace all your injectors is to call www.rceng.com ; I have a set
> of RC's (310cc) in my 95.5 urS6 (RS2 mod's-adjustable FPR), they
> run great.
> Just remember the 91 200q20v runs on a CIS fuel injection system, not the
> electrical Bosch Motronic electronic fully adaptive sequential fuel
> injection/ignition system found in the 92 urS4.  Anyone please
> correct me if
> I am wrong.
> What plugs are you running and when was the last time they were replaced?
> Have you checked your distributor to see if there is anything unusual w/it
> inside or out (cracks, etc.)?
> When was the last time you replaced your fuel filter?
> Just my .02
> Todd

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