HELP Coil has juice, but no spark

["Michael S. Sweigart" <msweigart@domain.elided>]

Strange things happening that prevent me from starting my 82 GTV6:

The coil seems to be getting power (used a tester on it and there is
definitely juice flowing to the positive side of the coil terminal)

The actual spot where the coil/distributor cap wire enters the coil is
not releasing spark. The coil wire also does not spark when testing it
on either the coil or distributor wire. So therefore the distributor and
thus the spark plugs are not getting spark.

This is a new thing, since as of yesterday there was spark. (2 days ago
I parked it nicely in my garage and it was running fine, then the next
day it barely ran, now today nuthin)

I cleaned every ground I could find- special thanks to Bryan for helping
point out the suspected fuel injector grounds. I even bought and
installed a new coil thinking that since the coil was getting (but not
sending) spark then it must be bad coil. Bad assumption bad!

Any ideas? What controls the release of spark from the coil? Is it that
silver box thingy next to the coil? I cleaned that too.

Help Guido avoid the Flatbed!

Michael S. Sweigart
PureDealer, Inc., President
http://www.puredealer.com
Direct Phone: 609-977-5050
Fax: (253) 323-6230
 


-----Original Message-----
From: owner-alfa@domain.elided [mailto:owner-alfa@domain.elided] On Behalf Of
Jeff Matson
Sent: Tuesday, February 05, 2002 10:26 PM
To: alfa-digest@domain.elided
Subject: 164 motronic codes & stumbling (new to me)


I did a few things on my 164 over the past week: replaced
some missing bolts in the Stebro exhaust and a leaky gasket, changed the
coolant, and cleaned the idle air controller and the oil vapor separator
(carb cleaner).  When I started the car again yesterday, I got Motronic
codes 1211 and 1223 coming up (I cleared them, and the check engine
light stayed off).  Never seen those before...  The car then ran "like
crap" when I drove it - lots of stumbling and hesitation. 
Never cut out completely, but felt like it wanted to.  Got worse the
more I drove it.  Anybody have a guess where I should start looking?
After the drive I wiggled the oil separator and IAC hoses, expecting a
leak, but nothing happened.  I'm puzzled, and looking for some tips
before I start checking further.  Thanks,

Jeff Matson
Harvard, MA
'91 164 L
'74 2000 GT Veloce

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