2012 Subaru Outback Base, Standard TransFACTORY OEM SERVICE PROCEDURE

Diagnostic procedure

  1. Make sure that the engine coolant temperature is less than 30Β°C (86Β°F).
  2. Drive according to the drive pattern described below.
    Fig 1: Screen Display - EGR Solenoid Valve Drive Pattern (Drive Cycle F)
    G07910167Courtesy of SUBARU OF AMERICA, INC.
NOTE:
  • There is no given transition time between idling and cruising.
  • Driving at constant speed only on a downhill causes smaller engine load and may result in failure to obtain a right diagnostic result.
  • When the engine stops while performing drive cycle F, perform it again from the state of procedure 1).
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.

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.