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🟢 SOLVED: Subaru Forester 2019 P0300 random misfire rough idle — Subaru Forester 2019 | MyCarFault
🟢 SOLVED 80% 1 fix reported · 118 driver confirmations

🟢 Subaru Forester 2019 P0300 random misfire rough idle

Subaru Forester 2019 P0300
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Urgency Level
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Subaru Forester 2019 P0300 random misfire detected. Engine shaking at idle. Check engine light on. 35345 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

📍 Subaru Forester ⚠️ P0300 fault code

⚙️ Possible Causes

Fault code P0300 detected Subaru Forester Possible: Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.

Repair / Solution

Based on 118 driver confirmations

Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately. 0%
0 worked · 0 did not · ⚪ Unverified

🧾 Driver Reports

✅ Fixed Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
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