The check engine light flashing means there is damage being done to the converter, like excessive fuel not being burn't. ORiginal wires?
You can try swapping two wires to see if the misfire moves to the other cylinder, same on the fuel injector-1 test at a time.
I'm not so much sold on the injector at this point. Air induction service may be a potential solution as well. Get the ignition wire question out of the way first.
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Friday, January 26th, 2007 AT 5:04 AM