[jspaeth]

In my case, it ended up being a ground pin going into the ECU that was making poor contact.....at least I THINK.

I did every possible thing and replace every possible source of the problem and nothing helped...


Then one day, I decided to check for continuity of the ground wires going into the ECU....by back-probing each one with a multimeter.

Well, pushing on the back of the pins must have pushed the loose one into a more secure position, because since that day, the problem has been completely resolved.