P0304 on CHRYSLER PACIFICA
What P0304 Means on Your CHRYSLER PACIFICA
Real CHRYSLER PACIFICA Owner Reports (Source: NHTSA Complaints Database)
"Failed cylinder head (misfire p0304). Need to have engine rebuilt or replaced. Also had oil cooler failure, losing coolant and oil. 71k miles, just over the 60k power train warranty. Need dealer to help fix but they are booked for next 3 months."
"Van started running slightly rough in the mornings if the engine was cold. CEL eventually came on with a P0304 DTC. I replaced the igntion coils and spark plugs since the van was right at 80,000 miles. Seem to run fine for a day after, then issues came back."
"While driving in suburban traffic vehicle engine began running rough and lost most power with about 58000 mi on the vehicle. Received check engine light and vehicle entered 'limp mode' with Turtle Icon displayed on screen."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0304 on CHRYSLER PACIFICA
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.