Miss Piggy's Miss. :-(

[David Ullrich]

Are you actually getting spark? What about the pattern from the injector?
Look good? I would assume you can test for spark by pulling the plug, having
it attached to the wire and grounding the electrode to something on the
engine then start her up and look for spark. Then if good, pull the injector
and aim into a coke bottle and check for pattern? Same process seem to work
for most cars...not sure why it wouldn't work for your Piggy...

Dave
Audiless for now
Wanted: 1987 CGT Triple White

On Thu, Jan 22, 2009 at 4:10 PM, Robert Myers <bob at chips-ur-s.com> wrote:

>
> Hi Y'all,
>
> Several days ago Miss Piggy ('95.5 S6 w/ RS2 mods and the 1.8t coil
> mod, etc) dropped a cylinder just before I got home with her.  Well,
> at the time the temperature was about 4 degrees F and I decided
> looking at her could wait a few days.  Today we're having a heat wave
> (all the way up to 43 F) so it seemed a good day to examine her.
>
> Found the miss quickly enough.  Disconnected injectors one at a time
> and found that the idle got no worse when #3 was disconnected.  OK, I
> got into my Rosattobin and retrieved my standby 1.8t coil and swapped
> it into #3.  Problem solved - right?  No wrong.  Hmmm...  The #3 plug
> looked a bit doubtful so it's back to the Rosattobin for a set of
> plugs.  Changed plugs all around.  No help.
>
> Hmmm...  Let's check compression.  150, 150, 145, 150, 125 front to
> back.  #5 looks weak but that's not where the miss is.  OK, let's
> stick in a fresh ECU w/ freshly burnt chips.  No change.  Checked for
> B+ power at the white plugs on the firewall.  DMM sez all is OK w/
> nominal 12 volts everywhere.  Reconnected white plugs.  No change.
>
> Suggestions?
>
> Bob
>
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