✅ Fixed
Swapped coil from cylinder 6 to cylinder 4. Code moved to P0304. Bad coil confirmed. Replaced all 6 coils proactively $180 total. No misfire since.
Jeep Wrangler 2015 3.6 Pentastar P0308 misfire cyl 6
Jeep
Wrangler
2015
⚡ 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
P0308 cylinder 6 misfire. Rough running at idle. 3.6 V6 Pentastar. 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
📍 Jeep Wrangler
⚙️ Possible Causes
Jeep Wrangler
Possible: Swapped coil from cylinder 6 to cylinder 4. Code moved to P0304. Bad coil confirmed. Replaced all 6 coils proactively $180 total. No misfire since.
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 Jeep Wrangler 2015 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
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