Subaru BRZ Toyota GR86 FA20 FA24 Rod Knock Track Use
Subaru
BRZ
2012
FA20D/FA24D
⚡ Quick Summary
Severity Level
High
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟠 Fix Soon
The FA20 and FA24 flat-four engines in BRZ/GR86 can develop rod knock from oil starvation during sustained high-G cornering on track. Toyota/Subaru issued guidance on oil level management for track use. Keep oil at maximum level and use 5W-40 full synthetic.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Subaru BRZ 2012 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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