Engine Stalling and Rough Idling

Engine complaints frequently include stalling, rough idling, and illuminated check engine lights. Issues can stem from complex electrical problems or misfires that may be difficult for dealers to diagnose. Estimated repair cost: $500 - $3,000+.

Numerous recalls have been issued for **Takata airbag inflators**. While recalls address safety defects, owners must ensure these are completed. Non-deployment is a severe safety concern. Estimated repair cost: $0 (Recall Service).

Brake System Concerns

Recalls have addressed brake master cylinder malfunctions. Complaints also include pulsating brakes and potential corrosion-related brake line failures, particularly in areas with road salt. Estimated repair cost: $300 - $1,000+.

In regions where road salt is used, the **subframe** can experience significant corrosion, potentially compromising structural integrity and leading to loss of control. Estimated repair cost: $1,000 - $3,000+ (for repair/replacement).

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2012 Subaru Legacy Maintenance guide

Name: Maintenance dataset for 2012 Subaru Legacy
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed11 Critical Recalls

MAINTENANCE SUMMARY

The 2012 Subaru Legacy demands diligent maintenance, primarily due to significant concerns surrounding its powertrain, specifically torque converter and CVT transmission issues that can lead to stalling, particularly when braking or coming to a stop. Engine complaints, including stalling and rough idling, are also prevalent.

View Critical Issue: Powertrain Stalling (Torque Converter/CVT)

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Reliability Score

Est. Annual Maintenance Cost

$800 - $1,500

TSBs & Recalls

172 TSBs | 17 Recalls

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Key Takeaways

Powertrain issues, particularly with the torque converter and CVT transmission, are the most frequent and concerning complaints, often manifesting as stalling.
Engine problems, including stalling, rough idling, and check engine lights, require prompt attention.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance

2012 Subaru Legacy Maintenance guide

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed11 Critical Recalls

MAINTENANCE SUMMARY

View Critical Issue: Powertrain Stalling (Torque Converter/CVT)

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$800 - $1,500

TSBs & Recalls

172 TSBs | 17 Recalls

CarFocal account required

Unlock the Full 2012 Subaru Legacy Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Powertrain issues, particularly with the torque converter and CVT transmission, are the most frequent and concerning complaints, often manifesting as stalling.
Engine problems, including stalling, rough idling, and check engine lights, require prompt attention.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance