[s-cars] Blink Code 4421 = No. 5 injector
qweblog at gmail.com
Fri Oct 26 09:02:42 PDT 2007
just had this cured a few days ago on someone elses car.
I sprayed De-Oxit on both harness ends and then took the little brush (from
an inferior product sold by radio shack) off another spray can and brushed
away, then clipped/unclipped the harness several times, then kept them apart
to dry for a half hour.
all said and done, no problem.
On 10/25/07, Dave Forgie <forgied at ae.ca> wrote:
> One of our Vancouver club members has got this code (naturally after I
> test drive his car to diagnose an "electrical"/ignition-based miss -
> which there was none). I have suggested that he should first make sure
> the electrical connections are good and clean. If he still gets the
> code, I have suggested that he replace the injector (original 95 S6).
> He is now asking me about having the injectors cleaned. While getting
> them cleaned is generally a good idea, I am skeptical that cleaning
> would solve an electrical issue within the injector.
> Any thoughts?
> Dave F.
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