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.
Drive Cycle H
| DTC | Item | Condition |
|---|---|---|
| *P050A | Cold Start Idle Air Control System Performance | - |
| *P050B | Cold Start Ignition Timing Performance | - |
- Perform the Clear Memory Mode. < refer to CLEAR MEMORY MODE . >
- With the ignition switch ON, read the engine coolant temperature, intake air temperature and fuel temperature. < refer to READ CURRENT DATA FOR ENGINE (NORMAL MODE) , OPERATION, Subaru Select Monitor >
- If the values from step 2) satisfy the following two conditions, idle the engine for one minute.
Condition:
|Engine coolant temperature - Intake air temperature | ≤ 5°C (9°F)
|Engine coolant temperature - Fuel temperature | ≤ 2°C (3.6°F)
NOTE:- If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.
- For AT models, hold the select lever to "P" range or "N" range at idling, and for MT models, the shift lever in the neutral position at idling.
Use the Manual With the Right Hardware
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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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