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Old 02-18-2020, 04:05 PM   #4
ChevMali99
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Re: P0521 & P0523 - Malibu 2013 2.5

Took the car to a local auto repair franchise and they too replaced the oil pressure sensor. The codes remain and continue to show a high PSI, a high voltage, and low pressure.

On the one end, it validates my DIY. On the other end, should they tell me other parts need to be replaced, like the oil pressure control solenoid valve, or worse the oil pump (a dealer part); this repair bill is gonna be a doozy.
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