✅ Fixed
Head gasket replacement performed $1400 at Subaru specialist. Used MLS head gaskets and ARP head studs for reliability. Now 40000 miles later with no issues. Changed coolant every 30k miles.
Subaru Outback 2015 head gasket failure EJ25
Subaru
Outback
2015
⚡ Quick Summary
Severity Level
Critical
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🔴 Fix Immediately
White smoke from exhaust. Coolant loss. Sweet smell. 120000 miles. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 Subaru Outback
⚙️ Possible Causes
Subaru Outback
Possible: Head gasket replacement performed $1400 at Subaru specialist. Used MLS head gaskets and ARP head studs for reliability. Now 40000 miles later with no issues. Changed coolant every 30k miles.
Onarım / Çözüm
Based on 145 driver confirmations
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Subaru Outback 2015 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
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