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 MANUALSSUBARU2016LEGACY 2.5IREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 15 (ENGINE CONTROLS (H6DO) (DIAGNOSTICS) (4 OF 5))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC P0455 EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)EXECUTION CONDITION
2016 Subaru Legacy 2.5i
Execution Condition
2016 Subaru Legacy 2.5iSECTION Execution Condition
WARNING: This page is about a different variant/trim than selected.
| Secondary Parameters | Execution condition |
|---|---|
| Battery voltage | ≥ 10.9 V |
| Barometric pressure | ≥ 75.1 kPa (563 mmHg, 22.2 inHg) |
| Activation of soaking timer | Completed |
| Engine coolant temperature | ≥ 4.4 °C (39.9 °F) |
| and | |
| < 45 °C (113 °F) | |
| Accumulated purge amount during previous driving cycle | ≥ Value of Map 1 (g) |
ENGINE COOLANT TEMPERATURE SPECIFICATION 1
| Engine coolant temperature °C (°F) | 0 (32) | 30 (86) | 35 (95) | 40 (104) | 45 (113) |
| Accumulated purge amount during previous driving cycle g (oz) | 128 (4.51) | 28 (4.51) | 480 (16.93) | 832 (29.34) | 1184 (41.76) |
RENDER: 1.0x
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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.