2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Engine Oil Temperature Sensor/Engine Oil Pressure Sensor Removal/Installation: Notes

WARNING: This page is about a different variant/trim than selected.

Replacement Part 

O-ring
Quantity: 1
Location of use: Engine oil temperature sensor/engine oil pressure sensor
NOTE:
  • The engine oil pressure sensor and engine oil temperature sensor cannot be removed as a single unit. When replacing the engine oil temperature sensor or engine oil pressure sensor, replace the engine oil pressure sensor/engine oil temperature sensor.
  1. Turn the steering wheel to full right lock.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  3. Lift up the vehicle.
  4. Remove the front splash shield (RH). (See SPLASH SHIELD REMOVAL/INSTALLATION .)
  5. Disconnect the connector for the engine oil temperature sensor/engine oil pressure sensor using the following procedure:
    G13714473Courtesy of MAZDA MOTORS CORP.
    1. Pull out the connector lock in the direction of the arrow.
      G13119048Courtesy of MAZDA MOTORS CORP.
    2. Press the lock down in the direction of the arrow and disconnect the connector. (See ENGINE OIL TEMPERATURE SENSOR/ENGINE OIL PRESSURE SENSOR CONNECTOR CONNECTION NOTE .)
  6. Remove the engine oil temperature sensor/engine oil pressure sensor.
    Fig 1: Engine Oil Pressure And Temperature Sensor With Torque Specification
    G13714475Courtesy of MAZDA MOTORS CORP.
  7. Install in the reverse order of removal.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.