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 BNOTES
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Drive Cycle B: Notes
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Notes
| DTC | Item | Condition |
|---|---|---|
| P0010 | "A" Camshaft Position Actuator Circuit/Open (Bank 1) | - |
| P0020 | "A" Camshaft Position Actuator Circuit/Open (Bank 2) | - |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) | - |
| P0138 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) | - |
| P0171 | System Too Lean (Bank 1) | Complete diagnosis with drive cycle A or C as well. |
| P0172 | System Too Rich (Bank 1) | Complete diagnosis with drive cycle A or C as well. |
| P0201 | Cylinder 1 - Injector Circuit | - |
| P0202 | Cylinder 2 - Injector Circuit | - |
| P0203 | Cylinder 3 - Injector Circuit | - |
| P0204 | Cylinder 4 - Injector Circuit | - |
| P0300 | Random/Multiple Cylinder Misfire Detected | Complete diagnosis with drive cycle A or C as well. |
| P0301 | Cylinder 1 Misfire Detected | Complete diagnosis with drive cycle A or C as well. |
| P0302 | Cylinder 2 Misfire Detected | Complete diagnosis with drive cycle A or C as well. |
| P0303 | Cylinder 3 Misfire Detected | Complete diagnosis with drive cycle A or C as well. |
| P0304 | Cylinder 4 Misfire Detected | Complete diagnosis with drive cycle A or C as well. |
| P0351 | Ignition Coil A Primary/Secondary Circuit | - |
| P0352 | Ignition Coil B Primary/Secondary Circuit | - |
| P0353 | Ignition Coil C Primary/Secondary Circuit | - |
| P0354 | Ignition Coil D Primary/Secondary Circuit | - |
| P0500 | Vehicle Speed Sensor "A" | - |
| P0506 | Idle Air Control System RPM Lower Than Expected | - |
| P0507 | Idle Air Control System RPM Higher Than Expected | - |
| P0700 | Transmission Control System (MIL Request) | - |
| P1532 | Battery Charging System | - |
| P2006 | Intake Manifold Runner Control Stuck Closed (Bank 1) | - |
| P2007 | Intake Manifold Runner Control Stuck Closed (Bank 2) | - |
| P2009 | Intake Manifold Runner Control Circuit Low (Bank 1) | - |
| P2012 | Intake Manifold Runner Control Circuit Low (Bank 2) | - |
| P2096 | Post Catalyst Fuel Trim System Too Lean (Bank 1) | Complete diagnosis with drive cycle A or C as well. |
| P2097 | Post Catalyst Fuel Trim System Too Rich (Bank 1) | Complete diagnosis with drive cycle A or C as well. |
| P2135 | Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation | - |
| P2138 | Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation | - |
| P219A | Bank 1 Air-Fuel Ratio Imbalance | Complete diagnosis with drive cycle C as well. |
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:
- 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.