Scotty I have a 1994 Buick park avenue with the 3800 engine my service engine light has been on…

Scotty I have a 1994 Buick park avenue with the 3800 engine my service engine light has been on since I got it recently got a scan tool that would communicate with it the only code I couldn't clear to see if it come back was a po361 it says ignition system problem and that the EST is not toggling can you plz tell me where to star to find what is causing the problem the code in not in my repair manual thank you and I love all your videos and greatly
appreciate what you do to help everyone

either wiring is bad, ignition coil is bad, or ECM has gone bad. Good Luck

Thanks for the help I'm hoping wiring lol I enjoy electrical wiring

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