Quote:
Originally Posted by Dee8go
Isn't that the way you test most electrical components? Verify that what goes in one side comes out the other?
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Pretty much. Another way to do it (or at least isolate the problem) is this: when the car having the symptoms you describe, try misting some WD-40 on the suspect part. If the problem persists, move on. When you hit the failing part, it should help in running. This will work for wires, distributer caps, etc. If you CAN'T get the car to have the symptoms (often, they depend on the climate conditions, off and on, kind of a pain in the @$$ to diagnose), or suddenly it's running just fine, you can also mist water in the same fashion as described above. When you hit the problem part, it should recreat the symptoms.