Runs perfect then won't start, then runs perfect
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Beginning Member
Joined: May 2014
Posts: 19
Pulled the distributor and put a new pick up coil on, didn't know if the old one was bad, but it was $9 so re-installed it and still no apart out of the coil to the distributor. This is wearing me out. Not sure where to go now. New coil, new pick up coil, ignition coil passed from Auto Zone. Do you think I need to pay the Chevy dealership to flash my PCM for $100?
Moderator
Joined: Mar 2009
Posts: 8,453
From: Belleville, Michigan
I really think you ought to use this link and diagnose the problem 
Part 1 -GM Distributor Mounted Ignition Module (ICM) Test.
Part 1 -GM Distributor Mounted Ignition Module (ICM) Test.
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