Re: [T3] 70 Square FI problem???

["Richard Steinburg" <wagen@mts.net>]

Sorry to come into this thread a little late. But this is exactly what my 70
Fastback is doing. I redid the wiring completely and made sure everything
was in order, but I still found that the injectors would spray gas into the
cylinder continuously. In frustration I hit the computer with my fist, tried
running the car again, and it ran perfectly. After that I pushed lightly on
the computer box and found that the injectors were on all the time again.
Looks like I need a new computer.
-Rich
----- Original Message -----
From: "Jim Adney" <jadney@vwtype3.org>
To: <type3@vwtype3.org>
Sent: Tuesday, October 29, 2002 7:43 PM
Subject: Re: [T3] 70 Square FI problem???


> On 29 Oct 2002, at 17:24, Larson Dean-Biehl wrote:
>
> > Alright the mechanic looked at it today! Here is what he said.
>
> > "All the injectors are fine, the problem is all the injectors keep
pumping
> > gas into the cylinders even when the cylinder is not firing - so they
say
> > they think (but cannot confirm) it is the computer which controls the
> > electronic ignition and that is going to take some time to hunt down a
used
> > one, which he says is about $200.00.     To a certain degree i don't
believe
> > them, i believe something was disconnected or hooked up wrong when i was
> > farting around in there, because i pulled the computer out thinking it
might
> > have gotten unplugged, no news from your chat line of someone in my area
> > that knows this stuff better?"
>
> Are you saying that this car was running okay and then you pulled the
brain
> out and then this is what the current situation is? Do you think that your
> pulling it out actually made things worse, or were things already bad when
> you started working on it?
>
> While it's unlikely that the brain is bad, it is certainly possible, but
I've never
> heard of a failure mode where the injectors just ran full time. Doesn't
mean
> that it couldn't happen, though.
>
> I doubt if you caused this, but I'm also skeptical about what's really
going on
> here. Injectors running full time is one thing, but injectors running over
rich is
> quite another symptom, and one for which there are a number or simple,
> common causes.
>
> -
> *******************************
> Jim Adney, jadney@vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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