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 MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM (DIAGNOSTICS) (H4DO)DRIVE CYCLEPROCEDUREDRIVE CYCLE CNOTES
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Drive Cycle C: Notes
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Notes
| DTC | Item | Condition |
|---|---|---|
| P000A | A Camshaft Position Slow Response (Bank 1) | - |
| P000C | A Camshaft Position Slow Response (Bank 2) | - |
| P0011 | Intake Camshaft Position - Timing Over-Advanced or System Performance (Bank 1) | - |
| P0021 | Intake Camshaft Position - Timing Over-Advanced or System Performance (Bank 2) | - |
| P0030 | HO2S Heater Control Circuit (Bank 1 Sensor 1) | - |
| P0068 | MAP/MAF - Throttle Position Correlation | - |
| P0101 | Mass or Volume Air Flow Circuit Range/Performance | - |
| P0134 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) | - |
| P013A | O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) | - |
| P013B | O2 Sensor Slow Response - Lean to Rich (Bank 1 Sensor 2) | - |
| P013E | O2 Sensor Delayed Response - Rich to Lean (Bank 1 Sensor 2) | - |
| P013F | O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 2) | - |
| P0140 | O2 Sensor Circuit No Activity Detected (Bank1 Sensor2) | - |
| P0171 | System Too Lean (Bank 1) | Complete diagnosis with drive cycle A or B as well. |
| P0172 | System Too Rich (Bank 1) | Complete diagnosis with drive cycle A or B as well. |
| P0300 | Random/Multiple Cylinder Misfire Detected | Complete diagnosis with drive cycle A or B as well. |
| P0301 | Cylinder 1 Misfire Detected | Complete diagnosis with drive cycle A or B as well. |
| P0302 | Cylinder 2 Misfire Detected | Complete diagnosis with drive cycle A or B as well. |
| P0303 | Cylinder 3 Misfire Detected | Complete diagnosis with drive cycle A or B as well. |
| P0304 | Cylinder 4 Misfire Detected | Complete diagnosis with drive cycle A or B as well. |
| P0400 | Exhaust Gas Recirculation Flow | - |
| P0441 | Evaporative Emission Cont. Sys. Incorrect Purge Flow | - |
| P0851 | Park/Neutral Switch Input Circuit Low | - |
| P0852 | Park/Neutral Switch Input Circuit High | - |
| P1449 | Evaporative Emission Cont. Sys. Air Filter Clog | - |
| P1492 | EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input) | - |
| P1493 | EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input) | - |
| P1494 | EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input) | - |
| P1495 | EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input) | - |
| P1496 | EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input) | - |
| P1497 | EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input) | - |
| P1498 | EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input) | - |
| P1499 | EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input) | - |
| P2004 | Intake Manifold Runner Control Stuck Open (Bank 1) | - |
| P2005 | Intake Manifold Runner Control Stuck Open (Bank 2) | - |
| P2096 | Post Catalyst Fuel Trim System Too Lean (Bank 1) | Complete diagnosis with drive cycle A or B as well. |
| P2097 | Post Catalyst Fuel Trim System Too Rich (Bank 1) | Complete diagnosis with drive cycle A or B as well. |
| P219A | Bank 1 Air-Fuel Ratio Imbalance | Complete diagnosis with drive cycle B as well. |
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.