✅ Fixed
Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
Dodge Journey 2012 P0300 random misfire rough idle
2012
P0300
Safe to Drive?
⚠️ Drive with Caution
Urgency Level
🟠 Fix Soon
Dodge Journey 2012 P0300 random misfire detected. Engine shaking at idle. Check engine light on. 62975 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
📍 Dodge Journey
⚠️ P0300 fault code
⚙️ Possible Causes
Fault code P0300 detected
Dodge Journey
Possible: Replaced all spark plugs with NGK iridium plugs. One coil pack was also weak — replaced. Smooth idle restored immediately.
Repair / Solution
Based on 72 driver confirmations
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