✅ Fixed
Swapped ignition coil from cylinder 1 to cylinder 3. Code moved to P0303 confirming bad coil. Replaced coil pack $45. Fixed immediately.
Toyota Camry 2016 rough idle and P0301 misfire cylinder 1
⚡ Quick Summary
Severity Level
Critical
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🔴 Fix Immediately
Rough idle at stops. P0301 code on OBD. Slight vibration through steering wheel. 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
📍 Toyota Camry
⚠️ P0301 fault code
⚙️ Possible Causes
Fault code P0301 detected
Toyota Camry
Possible: Swapped ignition coil from cylinder 1 to cylinder 3. Code moved to P0303 confirming bad coil. Replaced coil pack $45. Fixed immediately.
Repair / Solution
Based on 54 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Toyota Camry 2016 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
🚗 More About This Vehicle
Explore more Toyota models
Help other owners by sharing your experience.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.