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Old May 22nd 20, 06:18 AM posted to rec.autos.makers.vw.watercooled
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Default 1994 VW Jetta III 2.0 auto cranks and won't start

On Wednesday, June 13, 2007 at 9:04:59 PM UTC-4, wrote:
> On Jun 11, 2:15 pm, Tom's VR6 > wrote:
> > In rec.autos.makers.vw.watercooled, wrote:
> >
> > >my 1994 jetta III has a distribution system, it's not using a coil
> > >pack. by the way i think the coil pack is a very ill-concieved idea
> > >unless each coil can be inspected and replaced individually... but why
> > >coil pack??? sheesh!!! ignition by distribution has been around for as
> > >long as automobiles are...

> >
> > The coil pack has the *theoretical* advantage of no moving parts.
> > Also, one coil or drive transistor could fail and let a six cylinder
> > engine limp home. (not sure about a 4).
> >
> > The coil packs have been notorious at flash over during humid
> > conditions, which then burned carbonized tracks into the insulator.
> > That same sort of thing could happen with a single coil, but with a
> > single coil there is probably more room to allow a bigger flash over
> > path. Your description of running badly with humidity made me think
> > of my experience with coil packs.
> >
> >
> >
> > >oh i can definitly see the point of mounting the ECU in the engine
> > >compartment but i think i'd wrap my replacement ECU in saran... lol

> >
> > >and i started to wonder if there's a VW conspiracy... i did some
> > >google and found out that some folks were flabbergasted when they took
> > >their dead VWs to the dealers only to hear them talk in a different
> > >language, the dealer would then refer to the crankshaft sensor as
> > >impulse sender, and camshaft sensor as hall sender, and they never
> > >suggested ECU problems as if those things would never fail... such
> > >BS!!!

> >
> > Let's see if that new computer fixes your car. Good luck.
> >
> > If you can start then, I would still look at the engine in the dark
> > to look for flash-overs on coil, distributor or wires. If the
> > weather is not foggy, make your own fog with a water mist.

>
> thanks tom
>
> if automobiles makers realise that they can't get away with putting
> lighter duty coils in a coil pack then i'd say coil pack design is
> superior to distributor.. i'm sure they know well about statistics as
> far as reliability is concerned but reducing bill of material still
> their number 1 priority..
>
> anyways, i believe my ECU was shot and a new ECU will fix my car..
>
> i went to benltley publisher's site and found this thread.. the guy's
> experiences with his 98 jetta is similar to mine,
> and dave was right, OEM ign coil works when after market units don't..
> it's all about the ign module working in conjunction, i guess.. but i
> havent replaced mine yet..
>
> http://tech.bentleypublishers.com/th...art=0&tstart=0
>
> and then i found a used bosch ECU with matched part number on ebay for
> $47 shipped.. bought it and now i'm wating for it to arrive
>
> if it can run, i'd do a water mist just to see what's going on, but i
> can never forget that the only times that my german lady quit on me
> was when she's given a steam bath.. lol
>
> will let you guys know how it'll go...


So What happened?
B/c I'm trying to fix my car too
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