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Thanks guys.

thanks. the coils are fairly new (Ac delco OS) if that isn't it any other ideas? how do i test the ICM?

Greetings all, Glad I found the forum. ill get right to it. I have an 88, 2.8 V6 automatic. 123,XXX. recently tuned it up. took it for a test run, no problems. on my way to work, about 20 miles after the tune up, car began to sputter like it was missing. pulled over to check the wires, car then shut...