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.
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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISDIAGNOSTIC TROUBLE CODE (DTC) DETECTING CRITERIA (H4DO)DIAGNOSTIC TROUBLE CODE (DTC) DETECTING CRITERIADTC P0506 IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTEDENABLE CONDITION
2014 Subaru Outback 2.5i, Standard Trans
Enable Condition
2014 Subaru Outback 2.5i, Standard TransSECTION Enable Condition
ENABLE CONDITIONS
| Secondary Parameters | Enable Conditions |
|---|---|
| Engine coolant temperature | ≥ 60 °C (140 °F) |
| Battery voltage | ≥ 10.9 V |
| Atmospheric pressure | ≥ 75 kPa (563 mmHg, 22.2 inHg) |
| Fuel level | ≥ 10.5 2 (2.77 US gal, 2.31 Imp gal) |
| Elapsed time after starting the engine | ≥ 10.49 s |
| Feedback of ISC | In operation |
| Lambda value (left and right) | ≥ 0.81 |
| and | |
| < 1.1 | |
| After switching air conditioner to ON/OFF | ≥ 5.1 s |
| After intake manifold pressure changes by 4 kPa (30 mmHg, 1.2 inHg) or more. | > 5.1 s |
| Elapsed time after switching neutral position switch to ON/OFF | > 5.1 s |
| Vehicle speed | 0 km/h (0 MPH) |
RENDER: 1.0x
NO RELATED
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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.