Wednesday September 11, 2019:  Oil Pump Replacement     I now have 850 miles on the Buick, and she's running better everyday, but I've been constantly worried about the oil pressure.  I've been following other threads and other discussions regarding the proper oil pressure, and I was never convinced my engine was getting the oil pressure Buick specified. I do tend to obsess over everything, but this turned out to be a good one.   My car would immediately produc
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