[s-cars] Ignition coil replacement

[jpb3]

I have gone with #2 option, about 2 years ago and have experienced the
ridiculous failure rate of the 1.8T coils.

I will be going back to option #1 this summer when I have time.

Some guys on AW have an alternative to the HO 034 kit using mounted GM
coils and wires to plugs.

My $.02

John

On Mon, Mar 9, 2009 at 7:03 AM, Eyvind E. Spangen
<eyvind.spangen at vwaudi-club.no> wrote:
> The coil pack in my '94 S4 is going bad. It's missing under boost, but
> during normal driving and moderate acceleration under some boost, it is
> fine. Have tried with different POS'es - no difference, it's one or more
> coils/coil wiring. Plugs and the "tubes" between the coils and plugs are
> new.
>
>
> I have found 5 solutions:
>
> 1. New OEM coils. Can be had for $120/piece. Expensive, and I still have the
> dreaded POS'es that can fail. In the end almost as expensive as the 034 set,
> and far less durable. Not an option.
>
> 2. 1.8T coil conversion. Less expensive, but I've read that the 1.8T coils
> can't handle the heat under the coil cover very good. Is this really a
> problem running just a chip on an otherwise stock engine?
>
> 3. Used coils off Ebay or something. Can work for many years, or they can
> fail again in a few weeks. Impossible to say, and a possible waste of money.
> Can be had pretty cheap, though..
>
> 4. 034 HO coil set. Technically the best solution, but the price is IMHO
> horrible.
>
> 5. Replace the wires on my old coil pack and keep my fingers crossed that
> the problems are caused by cracked insulation and not the coils.
>
>
> I'm considering trying #5 first, but does anyone have any BTDT on replacing
> the worn wires - is it possible that it might help? I'm thinking that maybe
> a failing wire would have caused a missing cylinder all the time, not only
> under boost..
>
> --
> Regards,
> E. Spangen
>
>
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