Engine Oil Level Sensor Circuit Intermittent/Erratic

Where it lives

For P250E, the circuit described runs through the sensor. The description of P250E reports a fault at the sensor.

Check these first

• An intermittent open or short in the oil level sensor circuit
• A failed engine oil level sensor
• Corrosion at the oil level sensor connector
• An erratic oil level sensor signal

What to do next

1. Read the engine oil level sensor while wiggling the harness
2. Test the oil level sensor circuit for an intermittent open or short
3. Inspect the oil level sensor connector for corrosion
4. Check engine oil level on the dipstick
5. Replace the engine oil level sensor if the signal stays erratic
6. Clear the code and retest

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