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.
2016 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Drive Cycle B
| DTC | Item | Condition |
|---|---|---|
| P0087 | Fuel Rail/System Pressure - Too Low Bank 1 | Complete diagnosis with drive cycle A or C as well. |
| P0088 | Fuel Rail/System Pressure - Too High Bank 1 | Complete diagnosis with drive cycle A or C as well. |
| P0125 | Insufficient Coolant Temperature for Closed Loop Fuel Control | «Coolant Temp.» at engine start: Less than -15°C (5°F) |
| P0130 | A/F/O2 Sensor Circuit Bank 1 Sensor 1 | - |
| 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. |
| 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. |
| P0500 | Vehicle Speed Sensor "A" Circuit | - |
| P0506 | Idle Control System RPM - Lower Than Expected | - |
| P0507 | Idle Control System RPM - Higher Than Expected | - |
| P062D | Fuel Injector Driver Circuit Performance Bank 1 | - |
| P0700 | Transmission Control System (MIL Request) | - |
| P1191 | Fuel Rail Pressure Sensor "A" Circuit No Activity Detected | Complete diagnosis with drive cycle A or C as well. |
| P1261 | Cylinder 1 Direct Fuel Injector Circuit/Open | - |
| P1262 | Cylinder 2 Direct Fuel Injector Circuit/Open | - |
| P1263 | Cylinder 3 Direct Fuel Injector Circuit/Open | - |
| P1264 | Cylinder 4 Direct Fuel Injector Circuit/Open | - |
| P2006 | TGV Control Stuck Closed Bank 1 | - |
| P2007 | TGV Control Stuck Closed 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. |
Diagnostic procedure:Â
- Drive at 10 km/h (6 MPH) or more.
- Stop the vehicle and idle for ten minutes.
- Read the temporary code using the Subaru Select Monitor or general scan tool. < Ref. to OPERATIONÂ , Read Diagnostic Trouble Code (DTC). >
Factory Service Tools
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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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