Re: and now for the problem (long)

["Mark Madison" <markie@proaxis.com>]

I'm with the Z on this one.
I had an 84 GTI that would give similar
symptoms.. replaced the iginition control module
and it would run beautifully.
although the module worked fine at idle and for
a short time.. after a while of running it would cause
all kinds of crazy things to happen.. in fact in its latter
days.. it would shut the car off completely until I pulled
over.. started it up and it would run.  it was sooo random
I tested the module from the directions in the Bentley
and it tested bad bad bad.. replaced it and it ran great
after that.

hth.


mark m.


----- Original Message -----
From: M. Hansen <hansen@ionsys.com>
To: Daun Yeagley III <vwpilot@hotmail.com>
Cc: <scirocco-l@scirocco.org>
Sent: Friday, March 26, 1999 7:34 PM
Subject: Re: and now for the problem (long)


> Daun Yeagley III wrote:
> >
> > Storytime everybody!
> >
> > Last weekend I took a nice little trip from Cincinnati to Dallas in my
> > '88 'rocco.  (3 people, tools and overnight bags...   kinda crammed)
> > Met Aaron Patton and his wife (Very cool people!) and bought Aaron's '79
> > Scirocco.  (Not exactly pretty, but FAST)
> >
> > So we start for home.  The '79 is running perfectly.  BUT, when we got
> > to Memphis, while going around a freeway interchange, the car missed a
> > couple times while accelerating. (not hard)  At first I wasn't sure it
> > had actually done it as it was so slight.  About a 1/2 hour out of
> > Memphis, we stopped for food.  I went to pull out from the light at the
> > bottom of the off ramp and the car 'bout died when I hit the
> > accelerator.  Pulled into the parking lot, car idled fine.  Rev it, and
> > it would miss to about 3k rpm, then be fine.
> >
> > After dinner, we looked over the car, couldn't find anything obviosly
> > wrong...   so off we went.  The thing bucked a bit while getting on the
> > freeway, and when it would do so the tach would jump around.  We decided
> > not to push on through Tennessee at night and grabbed a motel.  Next
> > morning, the car was VERY difficult to start.  Aaron had sent along the
> > old cap and wires, so for grins we installed the old cap and the wire
> > running from the coil to the distributor.  Turned the key and she ran
> > perfect.  So off we went.  It started missing again a short while later,
> > but only above about 3k rpm.  We pressed on and made it to Cincinnati
> > (Nashville and Louisville were kinda fun since the car would hesitate
> > pretty bad below 3k at this point)  Finally about 2 miles from home, the
> > car really got bad.  Wouldn't run smooth at any rpm under load, though
> > if it was steady above 3k it seemed to run ok.  Made it to the driveway,
> > but it won't so much as start now.
> >
> > My suspicions are in the ignition system somewhere.  It's getting plenty
> > of fuel, and it appears to be sparking, but it will barely fire, and
> > won't run.  Pulled the plugs, 1 and 2 were great, 3 was black
> > (indicating the misfire) and 4 was ok, though tending towards lean.
> > (white)
> >
> > I'm sorry about the long post, but this is driving me nuts!  I want to
> > drive the car this weekend!  Suggestions?????
> >
> > Daun
>
>
> Crap, I don't want to introduce non-VW subjects here or anything but
> this problem sounds oh so familiar to me.  My 240Z with electronic
> ignition used to do the exact same thing and bugged the hell out of me
> until it finally died completely, no spark at all.  It was the ignition
> module.  Many Z people have been stumped by this and I've been able to
> cure quite a few ailing cars by replacing this module.  Maybe this is
> your problem too.  If so, I would suggest you check the ignition control
> unit by the windshield/rain gutter area, all related wiring and the
> sender in the distributor.  The old Bentley has all the easy procedures
> to test these parts.  Or swap parts from a good running car.
> HTH
>
> Mike Hansen
> 83 Scirocco GT
> 72 Datsun 240Z
>
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>


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