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TuningBot DTC Database · v4.37.15

P1684 Mazda - Metering Oil Pump Position Sensor Circuit Malfunction

Manufacturer-specific interpretation for Mazda. All interpretations of P1684

P · PowertrainEngineOBD2

What P1684 means

P1684
Metering Oil Pump Position Sensor Circuit Malfunction Mazda · engine Data confidence 80%

The control module detected improper operation of the Metering Oil Pump Position circuit. This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • open circuit
  • PCM failure

Related and nearby codes

How to read P1684

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

684

Specific fault index within the subsystem.

Frequently asked questions about P1684

What does P1684 mean?

Metering Oil Pump Position Sensor Circuit Malfunction. The control module detected improper operation of the Metering Oil Pump Position circuit. This is the manufacturer-specific definition used by Mazda.

Is P1684 generic or manufacturer-specific?

P1684 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.

Can TuningBot remove P1684 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Mazda engines See the results →

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