Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Drive Cycle F
| DTC | Item | Condition |
|---|---|---|
| P0111 | Intake Air Temperature Sensor Range/Performance Problem |
|
Diagnostic procedure:
- With the ignition switch ON (engine stopped), read the values in «Coolant Temp.» and «Intake Air Temp.». <Ref. to DISPLAY CURRENT ENGINE DATA , OPERATION, Subaru Select Monitor.>
- If the values from step 1) satisfy the following conditions, idle the engine for two minutes or more.
Condition:
|Engine coolant temperature - Intake air temperature| ≤ 5°C (9°F)
NOTE:- If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.
- Hold the select lever in "P" range or "N" range at idling.
- Drive according to the drive pattern described below.
Use the Manual With the Right Hardware
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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.
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