[s-cars] misfire

[Mihnea Cotet]

Philip, are the spark plug "wires" fine? Sounds like either a wire or a bad
coil to me....

HTH,

Mihnea

At 14:10 14/09/2003 -0400, Philip Mische wrote:
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>I've got a problem with my 95.5 S6.  Here's the setup:
>   a.. In Feb I had a POS channel go bad.  I swapped over the wires to use
> the spare channel and things were fine.
>   b.. A few weeks later came another misfire.  When I went to diagnose it
> the motor went back to hitting on all 5 again, so I couldn't figure which
> cylinder had the problem.  I figured I was losing another POS channel, so
> I bought a new one from a lister.
>   c.. Over the past few months the misfire would pop up again, then
> quickly disappear, usually after I turned the car off and then started it
> back up again.  Like running a Microsoft based car.
>   d.. Yesterday the misfire came, but this time it didn't leave.  Using
> the remove-the-fuel-injector-plug method I determined it was #4.  That
> made sense, since the POS for #4 was the one that had the bad channel
> from Feb.  I found the new POS I'd purchased months ago and popped it in,
> and guess what?  No change!  I swapped out the other POS just to be sure,
> again no change.  Darn.
>   e.. Checked the spark plugs, they were all tight.  I changed the #4
> spark plug and the miss was still there.
>Soooo, what's the next likely place to look?
>
>Thanks in advance,
>
>Phil
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