Oil Pressure
You're quite right with your procedures and with the conclusions they would help you reach. However, if you don't do the compression test, you don't know whether to take the next step with a leakdown test; I just wanted to recommend getting that diagnostic process started.
Perhaps all I'm suggesting is that there's an anomaly here - something is causing high crankcase oil pressure. So I'd be looking for a cylinder[s] with excessively high compression to see if that helps with a diagnosis.
Has your mechanic read the oil pressure in the engine yet? Does it exceed normal limits under higher rpm?
Jeff
You're quite right with your procedures and with the conclusions they would help you reach. However, if you don't do the compression test, you don't know whether to take the next step with a leakdown test; I just wanted to recommend getting that diagnostic process started.
Perhaps all I'm suggesting is that there's an anomaly here - something is causing high crankcase oil pressure. So I'd be looking for a cylinder[s] with excessively high compression to see if that helps with a diagnosis.
Has your mechanic read the oil pressure in the engine yet? Does it exceed normal limits under higher rpm?
Jeff
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