P1684
Metering Oil Pump Position Sensor Circuit Malfunction
P1684 is an OBD-II diagnostic trouble code meaning: Metering Oil Pump Position Sensor Circuit Malfunction. Common causes: open or short circuit in the sensor circuit, oil pump position sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Unstable engine operation
- Increased noise from the oil pump
- Reduced oil pressure
- Loss of engine power
Causes
- Open or short circuit in the sensor circuit
- Oil pump position sensor malfunction
- Poor contact in sensor connectors
- Mechanical oil pump problems
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check sensor connections and connectors
- Replace oil pump position sensor if necessary
- Check the condition of the oil pump
- Update engine control unit software
Related codes
Error P1684 by Vehicle Brand
FAQ
What does the P1684 code mean?
P1684 is an OBD-II diagnostic trouble code that indicates: Metering Oil Pump Position Sensor Circuit Malfunction
What causes a P1684 error code?
The most common causes of P1684 include: Open or short circuit in the sensor circuit; Oil pump position sensor malfunction; Poor contact in sensor connectors; Mechanical oil pump problems.
How do I fix a P1684 diagnostic trouble code?
To fix P1684: Check the integrity of the sensor circuit. Check sensor connections and connectors. Replace oil pump position sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1684?
Limited driving only, diagnose soon
How much does it cost to fix P1684?
The estimated repair cost for P1684 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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