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So I've been having some issues with my 89' 302 and the first thing I do to diagnose is to pull the codes it shows CEL. To make things easier I got a Ford OBD1 reader and for the life of me could not get it to work, or the engine to run the self diagnostic (can tell by the lack of clicks and such coming from the engine). I then had a mechanic hook up one of those giant code readers and he could not get a code either. I'm looking for some direction on how to move forward..should I splice in a new diagnostic connector/ECM issue/ or bad wire?
I want to know the code before I start bench testing sensors and testing vacuum leaks. I may end up going that rout anyhow but I'd like to eliminate the obvious first. Any help would be greatly appreciated as I'm just getting into the Windsor platform.