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I had an issue on the most recent auction purchase with the oil pressure being erratic and lower than typical once the oil was up to full temp. Additionally when you shut the unit down the OP would go negative. That suggested that the OP sending unit was bad.
Kurt pointed me towards a Autex 100 PSI OP sensor. It looked to be functionally equivalent to the factory sensor.
I ordered it and installed it this morning. The factory one used pipe dope but I put on some sealing tape and that also worked fine. No leak. Can confirm that it does go in just as the factory sensor did and worked fine. No mods required.
The issues with the OP were indeed a bad sending unit.
The old one:
Box for the new one:
Here is the sensor as installed:
After running 40 min under load:
After shutdown, no negative value:
Kurt pointed me towards a Autex 100 PSI OP sensor. It looked to be functionally equivalent to the factory sensor.
I ordered it and installed it this morning. The factory one used pipe dope but I put on some sealing tape and that also worked fine. No leak. Can confirm that it does go in just as the factory sensor did and worked fine. No mods required.
The issues with the OP were indeed a bad sending unit.
The old one:
Box for the new one:
Here is the sensor as installed:
After running 40 min under load:
After shutdown, no negative value:
