Quote:
Originally Posted by Ptrain
Interesting, how did you end up diagnosing that issue?
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I had good power and ground at the coil pack, moved the coil and plug to a different cylinder and the issue stayed with the cylinder. Compression was good across the board. I ohmed out the trigger wire from the coil pack all the way to the ECU and checked to make sure it wasn't shorted to ground, the wire was perfect. To confirm the diagnosis, we had to get another ECU with a basemap on it, plugged it in and picked the cylinder back up.
Yes S14rebuild, having the ECM drop signal to a cylinder wouldn't cause the issue with the oil, but it's possible the car has multiple issues.