A question for you CIS(or and FI) gurus out there.

[mabatzis at gmail.com (Michael Abatzis)]

i doubt it's the injector, unless we're talking about fuel cutoff near
redline.  how do you know it's a fuel problem?  faulty hall sender
connections/plug wires have been known to cause similar problems...

On 5/20/07, John C. Worden <johncworden@xxxxxxxxxxx> wrote:
> I am trying to diagnose my 16V's acceleration problem that I can best
> describe as a stutter.
> I have been through the Bentley's troubleshooting list and am down to the
> injectors, fuel distributor,
> main pump and airflow plate.
> The plate looks good and moves smoothly.
> I pulled the injectors out and aimed them into four clear beer bottles,
> each bottle weighed the same.
> I ran the pump and lifted the plate for full throttle for thirty seconds
> and then weighed the fuel.
> Cylinders #1 through #3 put out 1.5oz of fuel with a nice pattern.  #4 put
> out about 1.7oz with a
> half conical pattern.  Would the pattern not being a nice cone shape and it
> putting out the extra
> fuel cause this?  I know it's not right, and am replacing the injector
> after work, but is that off enough
> to cause a running problem?
> Any thoughts?
>
>
>
> John C. Worden
> Bucksport, Maine
>
> ''98 Dakota 4x4-
> '88 Scirocco 16V-
> '86 Scirocco 8V-Now a 16V!
> '78 Scirocco Brazil Brown Metallic, 4 speed.- In the Rotisserie and under
> restoration
> '89 Polaris Indy Deluxe
>
>
>
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-- 
-Michael Abatzis
New Orleans!
'88 2.0L Scirocco (RIP)
'87 2.0L Scirocco...(RIP also)
'91 Saab 900t convertible...