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Re: 07 Silverado- Oil pressure reads 103.2 at all times
Posted to Technical Discussion Forum on 2/18/2020

Damon, sounds like the sensor ground to the PCM may be a problem ? Without a good ground to the PCM it would allow the full 5v ref to be applied to the signal circuit. According to Alldata, high volts equals high pressure and vice versa for low volts. Correct ... Login to read more.