ICM diagnosis
Retired Super Moderator - At large E=MC2
Joined: Feb 2011
Posts: 2,299
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From: Tulsa,OK
There are no diagnostics that I am aware of. The only thing I've heard is swap a
known good, and see if your issue resolves itself.
Sorry, that's the best I have, Ern
known good, and see if your issue resolves itself.
Sorry, that's the best I have, Ern
Senior Member
Joined: May 2010
Posts: 417
Likes: 1
From: Saratoga, California
If you have a factory manual, section 16 has a set of tests to run on the spark unit. page 16-6. It also has sections on isolating your problems in the ignition systems.
Like he said, easiest is to swap in a known good one. Yeesh, just looked up the replacements $500!!!! Try a salvage yard or ebay and hope.
Like he said, easiest is to swap in a known good one. Yeesh, just looked up the replacements $500!!!! Try a salvage yard or ebay and hope.
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Senior Member
Joined: Jun 2011
Posts: 225
Likes: 0
From: Chi-town burbs
If you have a factory manual, section 16 has a set of tests to run on the spark unit. page 16-6. It also has sections on isolating your problems in the ignition systems.
Like he said, easiest is to swap in a known good one. Yeesh, just looked up the replacements $500!!!! Try a salvage yard or ebay and hope.
Like he said, easiest is to swap in a known good one. Yeesh, just looked up the replacements $500!!!! Try a salvage yard or ebay and hope.
Last edited by coldflood; Mar 22, 2012 at 10:10 PM.
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