Kia/Hyundai Theta II engine (2.0T and 2.4) has serious known defect — manufacturing debris or connecting rod bearing failure. NHTSA issued numerous complaints and recalls. Check NHTSA.gov with your VIN immediately. If under recall: dealer must fix for free. Signs of impending failure: knocking noise, metal flakes in oil, oil consumption. If engine fails suddenly, Kia/Hyundai in many cases replacing engines for free even out of warranty after public pressure. Document everything, contact NHTSA.
Kia/Hyundai engine recall — Theta II engine failure
Engine knocking, metal debris in oil, engine failure with no warning. Recall affecting multiple models. 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
⚙️ Possible Causes
Repair / Solution
Based on 234 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Hyundai 2011 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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