OIL PRESSURE SENSOR FAIL
Gillette
Oil Pressure Sensor Circuit Fault
Controller shows OIL PRESSURE SENSOR FAIL or OIL SENDER ERROR; may inhibit start or disable oil pressure protection.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed oil pressure sender, Broken wire in sender circuit, Short to ground or power
How to Fix / Troubleshooting
Safety first: Do not run the engine for extended periods while oil pressure sensing is faulty. Turn OFF and disconnect battery negative before work.
Steps:
- Locate sender: The oil pressure sender is usually near the oil filter on the Gillette engine block.
- Inspect wiring: Look for oil-soaked or brittle insulation, loose terminals, or pinched wires. Repair as needed.
- Test sender: With a multimeter, check resistance or voltage output per the engine manual. If readings are erratic or open, replace the sender.
- Verify with mechanical gauge: If possible, temporarily install a mechanical gauge to confirm actual oil pressure during a brief test run.
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Repair Difficulty
Medium
3/5
Required Part
Oil Pressure Sender
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