✅ Fixed
Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
Hyundai Santa Fe 2020 P0300 random misfire rough idle
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🔍 Symptoms
⚙️ Causes
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🧾 Driver Reports
🔗 Similar Faults
🩺 Related Symptoms
⚡ Quick Summary
Severity Level
High
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Can become a safety issue if left unresolved
Urgency Level
🟠 Fix Soon
Hyundai Santa Fe 2020 P0300 random misfire detected. Engine shaking at idle. Check engine light on. 173787 km. 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
📍 P0300 — random misfire causing rough idle
📍 Hyundai Santa Fe
⚠️ P0300 fault code
⚙️ Possible Causes
Fault code P0300 detected
P0300 — random misfire causing rough idle
Hyundai Santa Fe
Possible: Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
Onarım / Çözüm
Based on 32 driver confirmations
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Hyundai Santa Fe 2020 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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