2018 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Unit Inspection

G12586461Courtesy of SUBARU OF AMERICA, INC.
  1. Inspection of air/fuel ratio sensor
    1. Measure the resistance between the terminals.
STANDARD VALUE RESISTANCE SPECIFICATION

Inspection terminals Inspection conditions Standard value
1 - 2 20Β°C {68Β°F} 1.98 to 2.64 Ξ©
1 - 4 Always 10 k Ξ© or more
Factory Service Tools

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When to See a Mechanic

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

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

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