2021–2025 Mazda 3 2.5L Turbo 4-Cylinder Gauge Setup

Flock 52mm Gauge

Flock 52mm Gauge

One gauge for OBD-II data and wired sensors. Choose your setup below.

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Representative Mazda 3 exterior
Representative vehicle photo. Photo: Chanokchon · CC BY-SA 4.0. Image unchanged.

This setup covers the US-market 2021–2025 Mazda 3 with the 2.5L Turbo 4-Cylinder engine. Use one Flock 52mm Gauge for your selected OBD-II readings and wired-sensor measurements.

Choose the correct powertrain

Model years
2021–2025
Engine
2.5L Turbo 4-Cylinder
Listed transmission choices
Automatic (S6)
Listed drive configurations
4-Wheel Drive

A Mazda3 can use a simple warm-up view for everyday driving and an intake/pressure view on the turbo engine.

What to monitor on this engine

Coolant temperature and RPM are practical first readings for this engine. Add intake-air temperature for a view of intake heat under repeated load. If you display pressure, keep absolute manifold pressure distinct from boost relative to atmosphere. An automatic-transmission temperature reading belongs to the automatic gearbox; it should not be labeled as a manual-gearbox reading.

Installation approach

Keep the gauge near the driver’s factory instruments and preserve access to the center display and console controls. Fit the mount from your normal seating position before fixing it in place.

Connect the OBD-II adapter at the vehicle diagnostic connector and secure its cable along fixed trim. Leave the connector accessible for servicing. Follow the Flock user manual for gauge power, adapter setup and wired-sensor connections.

Custom PID settings

These OBDb definitions fit the current Flock firmware. Enter the request, CAN header, formula and unit shown below in the gauge’s custom-PID settings.

Engine oil temperature
  • Request: 221310
  • CAN header: 7E0
  • Formula: (A*256+B)/100-40
  • Unit: C

OBDb source definition

Oil pressure solenoid valve, open
  • Request: 22DA01
  • CAN header: 7E0
  • Formula: (floor((A)/2))%2
  • Unit: offon

OBDb source definition

Transmission temperature
  • Request: 221E1C
  • CAN header: 7E1
  • Formula: (A*256+B)*9/80+32
  • Unit: F

OBDb source definition

Configure your gauge

The gauge displays whole-number OBD readings. For temperature definitions labeled C, use the gauge’s temperature preference to choose Celsius or Fahrenheit.

Browse all gauge setup guides · Model installation guide

Sources

Signal definitions are adapted from OBDb contributors under CC BY-SA 4.0. Adaptations include Flock-compatible formulas and unit labels.

Get your Flock Gauge

Choose the Flock 52mm Gauge with the OBD-II option for this setup.

Shop the Flock Gauge with OBD-II