Re: Possible ignition module problem
You may know this, but you need to unhook the battery or the ECM fuse for a while to reset the ECU after changing some parts. It sounds like it could be in limp mode. My 88, I have to unhook the battery and have it cool all the way down before I hook the battery back up. I usually leave it unhooked over night.
I would also check for codes as Mfmaster suggested.
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